Population Study of Incidence, complexity, and Severity of Neuro Disabil Among Survivors Weighing 500-1250 Grams
Pediatrics 90:750-755, Robertson,C.M.T.,et al, 1992
Cognitive Abilities & School Performance of Extremely Low Birth Weight Children & Matched TermControls at Age 8
J Pediatr 118:751-760, Saigal,S.,et al, 1991