[Problem of perinatal mortality in premature births].
D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy; D047928:Premature Birth
INFANT MORTALITY; INFANT, PREMATURE
Otázke perinatálnej úmrtnosti u predcasných pôrodov.