[Morbidity & mortality of premature infants].
D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases; D009017:Morbidity
INFANT MORTALITY; INFANT, PREMATURE/diseases
Zachorowalność i smierteiność wcześniaków.