Perinatal mortality. The Chicago Lying-in Hospital, 1931-1966.
D001720:Birth Injuries; D001724:Birth Weight; D002641:Chicago; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000401:mortality; D004899:Erythroblastosis, Fetal; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D005315:Fetal Diseases / Q000401:mortality; D006470:Hemorrhage / Q000401:mortality; D006801:Humans; D006819:Hyaline Membrane Disease; D000860:Hypoxia / Q000401:mortality; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality*; D007234:Infant, Premature; D011014:Pneumonia; D011247:Pregnancy; D013590:Syphilis, Congenital / Q000401:mortality