Prader-Willi and Angelman Syndromes
Medicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
Cockayne Syndrome: Review of 140 Cases
Am J Med Genet 42:68-84, Nance,M.A. &Berry,S.A., 1992
Physical Features of Prader-Willi Syndrome in Neonates
Am J Dis Child 144:1251-1254, Aughton,D.J.&Cassidy,S.B., 1990