[Perinatal mortality; a survey of 55,300 births during the past 20 years].
D003625:Data Collection; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000706:statistics & numerical data; D036801:Parturition; D054238:Perinatal Mortality; D011247:Pregnancy; D014798:Vital Statistics
INFANT, NEWBORN/statistics; VITAL STATISTICS
Die perinatale Sterblichkeit; eine Ubersicht über 55 300 Geburten der tetzten 20 Jahre.