Follow-up and outcome of low birthweight infants: conceptual issues and a methodology review.
Aylward
G P
GP
Division of Developmental and Behavioral Pediatrics, Southern Illinois University School of Medicine, Springfield 62794-9230.
Pfeiffer
S I
SI
D004777:Environment; D005500:Follow-Up Studies; D006801:Humans; D007230:Infant, Low Birth Weight / Q000523:psychology*; D007231:Infant, Newborn; D012107:Research Design / Q000592:standards*