[REPORT ON A SURVEY OF PERINATAL MORTALITY DURING THE PERIOD 1956-1962].
D003604:Czechoslovakia; D003625:Data Collection; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy; D011295:Prenatal Care
CZECHOSLOVAKIA; INFANT MORTALITY; INFANT, NEWBORN; PRENATAL CARE
P REHLED V'YVOJE PERINAT'ALN'I 'UMRTNOSTI V LETECH 1956-1962.