A controlled follow-up study of small prematures born from 1952 through 1956.
D000367:Age Factors; D001724:Birth Weight; D002493:Central Nervous System Diseases / Q000453:epidemiology; D002641:Chicago; D002648:Child; D004777:Environment; D005260:Female; D005500:Follow-Up Studies; D006128:Growth; D006311:Hearing Disorders / Q000453:epidemiology; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007361:Intelligence Tests; D008297:Male; D009460:Neurologic Examination; D010243:Paralysis / Q000453:epidemiology; D010808:Physical Examination; D011247:Pregnancy; D011248:Pregnancy Complications; D011676:Punched-Card Systems; D012919:Social Behavior; D012959:Socioeconomic Factors; D014786:Vision Disorders / Q000453:epidemiology