[ON THE ANALYSIS OF CAUSES OF PERINATAL MORTALITY. (IN RELATION TO THE REPORT OF L. O. VISHNEVETSKAIA)].
D001699:Biometry; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D066087:Perinatal Death; D054238:Perinatal Mortality; D013223:Statistics as Topic
INFANT MORTALITY; INFANT, NEWBORN; STATISTICS
K ANALIZU PRICHIN PERINATAL'NOI SMERTNOSTI. (PO POVODU STAT'I L. O. VISHNEVETSKOI)