[REPORT ON PERINATAL MORTALITY IN EASTERN CZECHOSLOVAKIA DURING THE PERIOD 1960-1963].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy
CZECHOSLOVAKIA; INFANT MORTALITY; INFANT, NEWBORN
V'YVOJ PERINAT'ALN'I 'UMRTNOSTI VE V'YCHODO CESK'EM KRAJI OD R. 1960-1963.