John A. Harris

PERICONCEPTIONAL VITAMIN USE, DIETARY FOLATE, AND THE OCCURRENCE OF NEURAL TUBE DEFECTS

Gary M. Shaw, Donna Schaffer, Ellen M. Velie et al. · Epidemiology · 1995 · 398 citations

Public Health, Maternal Health, Obstetrics +17

The Epidemiology of Cardiovascular Defects, Part I: A Study Based on Data from Three Large Registries of Congenital Malformations

Pierre Pradat, Christine Francannet, John A. Harris et al. · Pediatric Cardiology · 2003 · 361 citations

Medicine, Cardiology, Pediatrics +15

Reduced recurrence of orofacial clefts after periconceptional supplementation with high‐dose folic acid and multivitamins

M Tolarová, John A. Harris · Teratology · 1995 · 259 citations

Agriculture, Maternal Health, Obstetrics +17

The epidemiology of anotia and microtia.

John A. Harris, Bëngt Källén, Elisabeth Robert · Journal of Medical Genetics · 1996 · 244 citations · Full text

Medicine, Pediatrics, Human Genetics +14

Birth defects monitoring in California: a resource for epidemiological research

Lisa Croen, Gary M. Shaw, Nancy G. Jensvold et al. · Paediatric and Perinatal Epidemiology · 1991 · 171 citations

Public Health, Child Health, Pediatrics +17