The Johns Hopkins Collaborative Perinatal Project. Descriptive background.
D001289:Attention Deficit Disorder with Hyperactivity / Q000453:epidemiology; D001925:Brain Damage, Chronic / Q000453:epidemiology*; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005500:Follow-Up Studies; D006784:Hospitals, Teaching; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008396:Maryland; D009422:Nervous System Diseases / Q000453:epidemiology; D009934:Organization and Administration; D011247:Pregnancy; D011446:Prospective Studies