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