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2. A longitudinal study of very low birthweight infants: an overview of performance;Kitchen, W.H.; Ryan, M.M.; Rickards, A.;Dev Med Child Neurol; years of age,1980
3. Low birthweight children at school age: neurological psychological and pulmonary function;Noble-Jamieson, C.M.; Lukeman, D.E.; Silvarnan, M.; Davies, P.A.;Semin Perinatol,1982
4. Nine year follow up of infants weighing 1500 g or less at birth;Michelsson, K.; Lindahl, E.; Parre, M.; Helenius, M.;Acta PaediatrScand,1984
5. Preschool performance of children with normal intelligence who were very low birthweight infants;Klein, N.; Hack, M.; Gallagher, J.; Fanaroff, A.A.;Pediatrics,1985