Effect of Very Low Brith Weight and Subnormal Head Size on Cognitive Abilities at School Age
NEJM 325:231-237, Hack,M.,et al, 1991
Perinatal Loss and Neurological Abnormalities Among Children of the Atomic Bomb
JAMA 264:605-609, 6221990., Yamazaki,J.N.&Schull,W.J., 1990