Prader-Willi and Angelman Syndromes
Medicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
Persistent Crying in Infancy as a Presentation of Chiari Type I Malformation
J Pediatr 118:567-569, Listernick,R.&Tomita,T., 1991
Physical Features of Prader-Willi Syndrome in Neonates
Am J Dis Child 144:1251-1254, Aughton,D.J.&Cassidy,S.B., 1990
The Cornelia de Lange Syndrome
J Pediatr 63:1000-1020, Ptacek,L.J., 1963