[Studies on morbidity during the first months of life in relation to morbidity at the hospital ware for newborn infants].
D006761:Hospitals; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D009017:Morbidity
INFANT, NEWBORN/diseases
Przyczynek do badań nad zachorowalnościa w pierwszych miesiacach źycia w zaleźności od zachorowalności na oddziale noworodkowym.