[PERINATAL MORTALITY IN THE CZECHOSLOVAKIAN SSR AND INTERNATIONAL COMPARISONS].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy
CZECHOSLOVAKIA; INFANT MORTALITY; INFANT, NEWBORN
PERINAT'ALN'I 'UMRTNOST V CSSR V MEZIN'ARODN'IM SROVN'AN'I.