- Determinants of serum cotinine and hair cotinine as biomarkers of childhood secondhand smoke exposureAmy E Kalkbrenner
Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina, USA
J Expo Sci Environ Epidemiol 20:615-24. 2010..If only questionnaires are available, multiple questions are required to best characterize exposure, such as number of cigarettes, hours spent in a room with concurrent smoking, maternal smoking, and approximate home size...
- Perinatal exposure to hazardous air pollutants and autism spectrum disorders at age 8Amy E Kalkbrenner
Department of Epidemiology, University of North Carolina, Chapel Hill, NC 27599, USA
Epidemiology 21:631-41. 2010..Hazardous air pollutants are plausible candidate exposures for autism spectrum disorders. They have been explored in recent studies for their role in the development of these disorders...
- Geographic access to health services and diagnosis with an autism spectrum disorderAmy E Kalkbrenner
Department of Epidemiology, University of North Carolina at Chapel Hill, Gillings School of Global Public Health, Chapel Hill, NC 27599, USA
Ann Epidemiol 21:304-10. 2011..To assess the impact of geographic health services factors on the timely diagnosis of autism...