Prader-Willi and Angelman Syndromes
Medicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
Angelman Syndrome: Clinical Profile
J Child Neurol 7:270-280, Zori,R.T.,et al, 1992
Coffin-Siris Syndrome, Neuropathologic Findings
Arch Neurol 42:350-353, DeBassio,W.A.,et al, 1985
The Cornelia de Lange Syndrome
J Pediatr 63:1000-1020, Ptacek,L.J., 1963