Observations on single births to women resident in Belfast 1962-1966. Part I. Factors associated with perinatal mortality.
D000022:Abortion, Spontaneous; D000328:Adult; D000367:Age Factors; D001724:Birth Weight; D000013:Congenital Abnormalities; D036861:Delivery, Obstetric / Q000379:methods; D004651:Employment; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D007086:Illegitimacy; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D009660:Northern Ireland; D010298:Parity; D011247:Pregnancy; D011295:Prenatal Care; D012044:Regression Analysis; D012111:Residence Characteristics; D012189:Retrospective Studies; D012621:Seasons; D012923:Social Class