- Safety of medications prescribed before and during early pregnancy in a cohort of 81,975 mothers from the UK General Practice Research DatabaseJanet R Hardy
Division of Preventive and Behavioral Medicine, University of Massachusetts School of Medicine, Worcester, MA 01655, USA
Pharmacoepidemiol Drug Saf 15:555-64. 2006..To demonstrate a linkage methodology for mother and baby automated medical records, and describe frequency, type, and pregnancy risk level of medications prescribed during pregnancy in a GPRD cohort, 1991-1999...
- Strategies for identifying pregnancies in the automated medical records of the General Practice Research DatabaseJanet R Hardy
Center for Perinatal, Pediatric and Environmental Epidemiology, Yale University School of Public Health, 1 Church Street, 6th Floor, New Haven, CT 06510, USA
Pharmacoepidemiol Drug Saf 13:749-59. 2004..To develop a method for identifying the beginning and ending records of pregnancies in the automated medical records of the General Practice Research Database (GPRD)...