Title: Birth defects and drugs in pregnancy
Subjects: Causes and theories of causation, Collaborative Perinatal Study, Deformities, Effect of drugs on the Fetus, Teratogenic agents, Collaborative Perinatal Project (U.S.), Fetus, Etiology, Effect of drugs on, Human Abnormalities, Abnormalities, Drug-Induced, Fetal Diseases, Chemically induced, Teratogens, Analysis, Collaborative Perinatal Project, Drug effects, Maternal-Fetal Exchange