S P Caudill

Summary

Affiliation: Centers for Disease Control and Prevention
Country: USA

Publications

  1. doi request reprint Important issues related to using pooled samples for environmental chemical biomonitoring
    Samuel P Caudill
    National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, U S Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 30:515-21. 2011
  2. doi request reprint Use of pooled samples from the National Health and Nutrition Examination Survey
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, US Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 31:3269-77. 2012
  3. ncbi request reprint Assessment of current National Cholesterol Education Program guidelines for total cholesterol triglyceride, HDL-cholesterol, and LDL-cholesterol measurements
    S P Caudill
    Environmental Health Laboratory Sciences Division, National Center for Environmental Health, National Centers for Disease Control and Prevention, Atlanta, GA 30341 3724, USA
    Clin Chem 44:1650-8. 1998
  4. doi request reprint Multi-rule quality control for the age-related eye disease study
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, U S Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 27:4094-106. 2008
  5. ncbi request reprint Geometric mean estimation from pooled samples
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, United States
    Chemosphere 69:371-80. 2007
  6. doi request reprint Characterizing populations of individuals using pooled samples
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Expo Sci Environ Epidemiol 20:29-37. 2010
  7. ncbi request reprint Contaminants in L-tryptophan associated with eosinophilia myalgia syndrome
    R H Hill
    Division of Environmental Health Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, Georgia 30333
    Arch Environ Contam Toxicol 25:134-42. 1993
  8. ncbi request reprint Serum levels of several organochlorine pesticides in farmers correspond with dietary exposure and local use history
    J W Brock
    National Center for Environmental Health NCEH, Centers for Disease Control, Atlanta, GA 30341, USA
    Toxicol Ind Health 14:275-89. 1998
  9. doi request reprint Total TEQ reference range (PCDDs, PCDFs, cPCBs, mono-PCBs) for the US population 2001-2002
    Donald G Patterson
    Organic Analytical Toxicology Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, NE, Mail Stop F 17, Atlanta, GA 30341, United States
    Chemosphere 73:S261-77. 2008
  10. pmc Urinary levels of seven phthalate metabolites in the U.S. population from the National Health and Nutrition Examination Survey (NHANES) 1999-2000
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA
    Environ Health Perspect 112:331-8. 2004

Detail Information

Publications50

  1. doi request reprint Important issues related to using pooled samples for environmental chemical biomonitoring
    Samuel P Caudill
    National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, U S Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 30:515-21. 2011
    ..The findings are illustrated by using pooled samples from the National Health and Nutrition Examination Survey 2001-2002 to assess exposures to perfluorooctanesulfonate and other polyfluoroalkyl compounds in the U.S. population...
  2. doi request reprint Use of pooled samples from the National Health and Nutrition Examination Survey
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, US Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 31:3269-77. 2012
    ..At a cost of $1400 per analytical measurement, this represents a savings of approximately $2.78 million. Published 2012. This article is a US Government work and is in the public domain in the USA...
  3. ncbi request reprint Assessment of current National Cholesterol Education Program guidelines for total cholesterol triglyceride, HDL-cholesterol, and LDL-cholesterol measurements
    S P Caudill
    Environmental Health Laboratory Sciences Division, National Center for Environmental Health, National Centers for Disease Control and Prevention, Atlanta, GA 30341 3724, USA
    Clin Chem 44:1650-8. 1998
    ....
  4. doi request reprint Multi-rule quality control for the age-related eye disease study
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Public Health Service, U S Department of Health and Human Services, Atlanta, GA 30333, USA
    Stat Med 27:4094-106. 2008
    ..We also provide operating characteristics to demonstrate how the MRQCS responds to increases in systematic and/or random error...
  5. ncbi request reprint Geometric mean estimation from pooled samples
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, United States
    Chemosphere 69:371-80. 2007
    ..We also present estimates for levels of PCB 153 and p,p'-DDE using data from pooled samples from the 2001 to 2002 National Health and Nutrition Examination Surveys...
  6. doi request reprint Characterizing populations of individuals using pooled samples
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Expo Sci Environ Epidemiol 20:29-37. 2010
    ..Using pooled samples to characterize populations is not only more cost-efficient, but also in some cases it can lead to more precise and less biased parameter estimation than that occurs with individual samples...
  7. ncbi request reprint Contaminants in L-tryptophan associated with eosinophilia myalgia syndrome
    R H Hill
    Division of Environmental Health Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, Georgia 30333
    Arch Environ Contam Toxicol 25:134-42. 1993
    ..K., and that six of these contaminants were associated with EMS. The structures of three contaminants are known, but the identities of the other three contaminants are currently unknown.(ABSTRACT TRUNCATED AT 250 WORDS)..
  8. ncbi request reprint Serum levels of several organochlorine pesticides in farmers correspond with dietary exposure and local use history
    J W Brock
    National Center for Environmental Health NCEH, Centers for Disease Control, Atlanta, GA 30341, USA
    Toxicol Ind Health 14:275-89. 1998
    ..Previous reported use of chlordane on the North Carolina farms corresponded with measurable dietary levels of chlordance and higher serum trans-nonachlor levels than the levels in Iowa farm families...
  9. doi request reprint Total TEQ reference range (PCDDs, PCDFs, cPCBs, mono-PCBs) for the US population 2001-2002
    Donald G Patterson
    Organic Analytical Toxicology Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, NE, Mail Stop F 17, Atlanta, GA 30341, United States
    Chemosphere 73:S261-77. 2008
    ..In the pools, as age increases the percent contribution of the PCDD TEQ levels increases while the percent contribution of the PCDF TEQ levels decreases for all race/ethnicity and sex strata...
  10. pmc Urinary levels of seven phthalate metabolites in the U.S. population from the National Health and Nutrition Examination Survey (NHANES) 1999-2000
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA
    Environ Health Perspect 112:331-8. 2004
    ....
  11. ncbi request reprint Levels of 1-hydroxypyrene and other monohydroxy polycyclic aromatic hydrocarbons in children: a study based on U.S. reference range values
    Wenlin Huang
    National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Mailstop F 47, Atlanta, GA 30341, USA
    Toxicol Lett 163:10-9. 2006
    ..These results may indicate that young children are at a greater risk for PAH exposure, or that they absorb, distribute, metabolize, or eliminate PAH differently than adults...
  12. ncbi request reprint Tryptophan contaminants associated with eosinophilia-myalgia syndrome. The Eosinophilia-Myalgia Studies of Oregon, New York and New Mexico
    R M Philen
    Division of Environmental Hazards and Health Effects, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341 3724
    Am J Epidemiol 138:154-9. 1993
    ....
  13. ncbi request reprint Prevalence of C282Y and H63D mutations in the hemochromatosis (HFE) gene in the United States
    K K Steinberg
    Molecular Biology Branch, National Center for Environmental Health, Mailstop F 24, Chamblee, GA 30341, USA
    JAMA 285:2216-22. 2001
    ..Population-based estimates of the prevalence of disease-associated mutations, such as hemochromatosis (HFE) gene mutations, are needed to determine the usefulness of genetic screening...
  14. ncbi request reprint Percentile estimation using variable censored data
    Samuel P Caudill
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA
    Chemosphere 68:169-80. 2007
    ..Because the congener measurements used in this study were subject to variable LODs, we also present simulation results to demonstrate the effect of variable LODs on the multiple-imputation process...
  15. ncbi request reprint Serum concentrations of 11 polyfluoroalkyl compounds in the u.s. population: data from the national health and nutrition examination survey (NHANES)
    Antonia M Calafat
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Sci Technol 41:2237-42. 2007
    ....
  16. ncbi request reprint Reference range levels of polycyclic aromatic hydrocarbons in the US population by measurement of urinary monohydroxy metabolites
    James Grainger
    Division of Environment Health Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Environ Res 100:394-423. 2006
    ..Our study results enabled us to establish a reference range for the targeted PAHs in the general US population...
  17. doi request reprint Evaluation of maximum likelihood procedures to estimate left censored observations
    Ram B Jain
    Centers for Disease Control and Prevention, 4770 Buford Highway, Chamblee, GA 30329, USA
    Anal Chem 80:1124-32. 2008
    ..These findings support earlier observations, and they suggest that MLE with multiple imputations is the preferred method to estimate mean and SD when the frequency of left censored observations in the population is < or =40%...
  18. ncbi request reprint Perfluorochemicals in pooled serum samples from United States residents in 2001 and 2002
    Antonia M Calafat
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    Environ Sci Technol 40:2128-34. 2006
    ..These findings indicate different patterns of human exposure to PFCs among the population groups examined and stress the importance of conducting research to identify the environmental sources and pathways of human exposure to PFCs...
  19. doi request reprint Concentration and profile of 22 urinary polycyclic aromatic hydrocarbon metabolites in the US population
    Zheng Li
    Centers for Disease Control and Prevention, National Center for Environmental Health, 4770 Buford Highway, F53 Atlanta, GA 30341, USA
    Environ Res 107:320-31. 2008
    ..The correlation coefficients between 1-PYR and other metabolites ranging from 0.17 to 0.63 support the use of 1-PYR as a useful surrogate representing PAH exposure...
  20. doi request reprint Levels of urinary total and speciated arsenic in the US population: National Health and Nutrition Examination Survey 2003-2004
    Kathleen L Caldwell
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    J Expo Sci Environ Epidemiol 19:59-68. 2009
    ..To provide levels of total and speciated urinary arsenic in a representative sample of the US population...
  21. doi request reprint Perchlorate, nitrate, thiocyanate, and iodide levels in chicken feed, water, and eggs from three farms
    Benjamin C Blount
    Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    J Agric Food Chem 56:10709-15. 2008
    ..225). From these findings it was concluded that, although chickens secrete perchlorate in eggs, eggs do not appear to be a significant source of perchlorate exposure for adults in the United States...
  22. doi request reprint Standardization of high-sensitivity immunoassays for measurement of C-reactive protein; II: Two approaches for assessing commutability of a reference material
    Mary M Kimberly
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341 3724, USA
    Clin Chem 55:342-50. 2009
    ..We also investigated whether calibration by use of PRM was effective in harmonizing results...
  23. doi request reprint Total blood mercury concentrations in the U.S. population: 1999-2006
    Kathleen L Caldwell
    Division of Laboratory Sciences, National Center for Environmental Health, CDC, 4770 Buford Highway, NE, Mailstop F 18, Atlanta, GA 30341, USA
    Int J Hyg Environ Health 212:588-98. 2009
    ..081 vs. 0.850microg/L, p<0.0001) and in Mexican American women (1.081 vs. 0.70microg/L, p<0.0001)...
  24. pmc Exposure of the U.S. population to acrylamide in the National Health and Nutrition Examination Survey 2003-2004
    Hubert W Vesper
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    Environ Health Perspect 118:278-83. 2010
    ..Data on the extent of exposure to acrylamide and its primary metabolite, glycidamide, are needed to aid in the assessment of potential health effects...
  25. doi request reprint Semi-volatiles in mainstream smoke delivery from select charcoal-filtered cigarette brand variants
    Bryan A Hearn
    Emergency Response and Air Toxicants Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, NE MS F 47, Atlanta, GA 30341, USA
    Tob Control 19:223-30. 2010
    ....
  26. ncbi request reprint Variability among five over-the-counter blood glucose monitors
    Mary M Kimberly
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Mailstop F25, 4770 Buford Hwy NE, Atlanta, GA 30341 3724, USA
    Clin Chim Acta 364:292-7. 2006
    ..To assess the need for standardization, we evaluated the variability among 5 of the most common monitors: MediSense Precision Xtra, Ascencia Dex, Prestige Smart System, OneTouch Ultra, and Accu-Chek Advantage...
  27. ncbi request reprint Concentrations of environmental chemicals associated with neurodevelopmental effects in U.S. population
    Larry L Needham
    Organic Analytical Toxicology Branch, Mailstop F17, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341 3724, USA
    Neurotoxicology 26:531-45. 2005
    ..S. population. These data will continue to be collected in 2-year cycles and thus allow changes in human levels to be followed...
  28. ncbi request reprint Standardization of immunoassays for measurement of high-sensitivity C-reactive protein. Phase I: evaluation of secondary reference materials
    Mary M Kimberly
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341 3724, USA
    Clin Chem 49:611-6. 2003
    ..As variability among existing high-sensitivity CRP (hsCRP) assays can lead to misclassification of patients and hamper implementation of population-based medical decision points, standardization of hsCRP assays is needed...
  29. pmc Urinary levels of trichloroacetic acid, a disinfection by-product in chlorinated drinking water, in a human reference population
    Antonia M Calafat
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 111:151-4. 2003
    ....
  30. ncbi request reprint Urinary and serum concentrations of seven phytoestrogens in a human reference population subset
    Liza Valentin-Blasini
    National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    J Expo Anal Environ Epidemiol 13:276-82. 2003
    ..Determination of phytoestrogen concentrations in large study populations will give a better insight into the actual dietary exposure to these biologically active compounds in the US population...
  31. ncbi request reprint Serum iron and iron-binding capacity: a round-robin interlaboratory comparison study
    Heidi Michels Blanck
    Division of Nutrition and Physical Activity, National Center for Chronic Disease Prevention and Health Promotion, National Center for Chronic Disease Prevention and Health Promotion, CDC, Atlanta, GA 30341, USA
    Clin Chem 49:1672-5. 2003
  32. pmc Concentrations of dialkyl phosphate metabolites of organophosphorus pesticides in the U.S. population
    Dana B Barr
    National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 112:186-200. 2004
    ..These data will be important in evaluating the impact of organophosphorus pesticide exposure in the U.S. population and the effectiveness of regulatory actions...
  33. ncbi request reprint Comparison of 1-hydroxypyrene exposure in the US population with that in occupational exposure studies
    Wenlin Huang
    National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Mailstop F 47, Atlanta, GA 30341, USA
    Int Arch Occup Environ Health 77:491-8. 2004
    ..This difference was statistically significant. In this paper, we compare the reference range of urinary 1-OHpyrene levels with levels reported from various occupations by other researchers...
  34. ncbi request reprint Within-person, among-finger variability of capillary blood glucose measurements
    Mary M Kimberly
    Clinical Chemistry Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Clin Chem 50:2389-91. 2004
  35. ncbi request reprint Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 1999-2000
    Christine M Pfeiffer
    National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Am J Clin Nutr 82:442-50. 2005
    ..Mandatory folic acid fortification of cereal-grain products was introduced in the United States in 1998 to decrease the risk that women will have children with neural tube defects...
  36. ncbi request reprint Evaluating current policy for detecting mosaicism in amniotic fluid cultures: implications for current cell counting practices
    Samuel P Caudill
    Centers for Disease Control and Prevention, Clinical Chemistry Branch, Atlanta, GA 30341 3724, USA
    Stat Med 24:615-22. 2005
    ....
  37. pmc Urinary creatinine concentrations in the U.S. population: implications for urinary biologic monitoring measurements
    Dana B Barr
    National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 113:192-200. 2005
    ..This approach allows the urinary analyte concentration to be appropriately adjusted for urinary creatinine and the statistical significance of other variables in the model to be independent of effects of creatinine concentration...
  38. pmc Urinary concentrations of bisphenol A and 4-nonylphenol in a human reference population
    Antonia M Calafat
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 113:391-5. 2005
    ..S. population) and relatively small size, this study provides the first reference range of human internal dose levels of BPA and NP in a demographically diverse human population...
  39. ncbi request reprint Levels in the U.S. population of those persistent organic pollutants (2003-2004) included in the Stockholm Convention or in other long range transboundary air pollution agreements
    Donald G Patterson
    National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, NE, Mailstop F 17, Atlanta, Georgia 30341, USA
    Environ Sci Technol 43:1211-8. 2009
    ..7% of persons aged 12 years and older (90th percentile: 8.3 ng/g lipid, 95% CI: <LOD-13.0 ng/g lipid). Dieldrin was detected in 87.2% of persons aged 12 years and older (95th percentile: 18.9 ng/g lipid, 95% CI: 15.8-24.5 ng/g lipid)...
  40. ncbi request reprint Polyfluoroalkyl compounds in pooled sera from children participating in the National Health and Nutrition Examination Survey 2001-2002
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    Environ Sci Technol 43:2641-7. 2009
    ..Nevertheless,these findings suggestthat human exposure to PFCs among the population groups of children examined may differ and stress the importance of identifying the environmental sources and routes of exposure to PFCs...
  41. ncbi request reprint Performance characteristics of a new less sensitive HIV-1 enzyme immunoassay for use in estimating HIV seroincidence
    Denise Kothe
    Division of Laboratory Sciences, National Center for Environmental Health, Atlanta, Georgia 30341, USA
    J Acquir Immune Defic Syndr 33:625-34. 2003
    ..The paper also reports Vironostika-LS quality control guidelines and the results from 3 rounds of proficiency testing...
  42. pmc Levels of methyleugenol in a subset of adults in the general U.S. population as determined by high resolution mass spectrometry
    D B Barr
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Environ Health Perspect 108:323-8. 2000
    ..S. adults to ME. Detailed pharmacokinetic studies are required to determine the relationship between ME intake and human serum ME concentrations...
  43. ncbi request reprint Urinary albumin excretion in children: factors related to elevated excretion in the United States population
    P W Mueller
    Centers for Disease Control and Prevention CDC, National Center for Environmental Health, Division of Environmental Health Laboratory Sciences, Atlanta, Georgia 30341 3724, USA
    Ren Fail 21:293-302. 1999
    ..The increased prevalence of high albumin excretion is probably associated with normal development in children, but an increased susceptibility to chronic diseases in the future among the children with high excretion cannot be ruled out...
  44. ncbi request reprint Phthalate monoesters levels in the urine of young children
    J W Brock
    Division of Laboratory Sciences, National Center for Environmental Health NCEH, Centers for Disease Control and Prevention CDC, Atlanta, GA 30341, USA
    Bull Environ Contam Toxicol 68:309-14. 2002
  45. ncbi request reprint Multiple hypothesis tests in multiple investigations
    S P Caudill
    Division of Environmental Health Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    Stat Med 14:585-9. 1995
    ..The method is illustrated by using high performance liquid chromatography to identify potential aetiologic contaminants in L-tryptophan samples...
  46. pmc Trends in the exposure of nonsmokers in the U.S. population to secondhand smoke: 1988-2002
    James L Pirkle
    Division of Laboratory Science, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 114:853-8. 2006
    ..Our findings suggest that recent public health efforts to reduce such exposures have had an important effect, although children and non-Hispanic black nonsmokers show relatively higher levels of serum cotinine...
  47. ncbi request reprint An in-depth examination of the excretion of albumin and other sensitive markers of renal damage in mild hypertension
    P W Mueller
    Division of Environmental Health Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA 30341-3724, USA
    Am J Hypertens 8:1072-82. 1995
    ..02). Retinol-binding protein values, however, were within the normal range, indicating that the elevated albumin values were the result of changes in selectivity of the glomerulus...
  48. ncbi request reprint Pharmacokinetics of 2,3,7,8-tetrachlorodibenzo-p-dioxin in Seveso adults and veterans of operation Ranch Hand
    Joel E Michalek
    Air Force Research Laboratory, Brooks Air Force Base, San Antonio, Texas 78235 5250, USA
    J Expo Anal Environ Epidemiol 12:44-53. 2002
    ..27 years followed by a slower rate after 3 years is consistent with the expected pattern in a two-compartment open model, with a distribution phase of rapid elimination followed by a slower elimination phase...
  49. ncbi request reprint Methodological aspects of a national population-based study of persistent organochlorine compounds in serum
    Michael N Bates
    Institute of Environmental Science and Research Ltd, P O Box 50 348, Porirua, New Zealand
    Chemosphere 58:943-51. 2005
    ..Second, pooling of samples to reduce analytic expenses. It is hoped that the methods used in this study will form the basis for other studies investigating organochlorine concentrations in national populations...
  50. ncbi request reprint Standardization of insulin immunoassays: report of the American Diabetes Association Workgroup
    Santica Marcovina
    Northwest Lipid Metabolism and Diabetes Research Laboratory, University of Washington, Seattle, WA, USA
    Clin Chem 53:711-6. 2007
    ..Currently, lack of standardization of insulin assays hinders efforts to achieve consistent measures for treatment guidelines...