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
Movement Disorder of Premature Infants with Severe Bronchopulmonary Dysplasia:A New Syndrome
Pediatrics 84:215-218, Perlman,J.M.&Volpe,J.J., 1989