Peculiarities in development of premature infants of less than 1250 g birth weight.
D001724:Birth Weight; D002648:Child; D002653:Child Behavior Disorders; D002675:Child, Preschool; D000013:Congenital Abnormalities; D005260:Female; D006128:Growth; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D001523:Mental Disorders; D013223:Statistics as Topic