[Peculiarities of the development of premature infants weighing less than 1250 g. at birth].
D001724:Birth Weight; D002657:Child Development; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D011247:Pregnancy
Osobennosti razvitiia nedonoshennykh deteĭ, rodivskikhsia vesom menee 1250 g.