Development outcome of the high-risk infant: a review of methodological issues.
D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality; D007234:Infant, Premature; D008297:Male; D008962:Models, Theoretical; D012107:Research Design / Q000592:standards*