PERINATAL MORTALITY 1964.
D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy
INFANT MORTALITY; INFANT, NEWBORN; INFANT, NEWBORN, DISEASES; PREGNANCY