[Morbidity rate among children in relation to birth weight].
D000367:Age Factors; D001724:Birth Weight; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009017:Morbidity; D012737:Sex Factors
Zabolevaemost' deteĭ v zavisimosti ot massy tela pri rozhdenii.