Prader-Willi and Angelman Syndromes
Medicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
Brain and Ocular Abnormalities in Infants with In Utero Exposure to Cocaine and other Street Drugs
Am J Dis Child 145:688-695, Dominguez,R.,et al, 1991
Neurodevelopmental Outcome in Babies Weighing Less than 2001 g at Birth
BMJ 294:1582-1586, Marlow,M.,et al, 1987