Prader-Willi and Angelman Syndromes
Medicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
X Linked Adrenoleukodystrophy:Clinical Presentation, Diagnosis, and Therapy
JNNP 63:4-14, vanGeel,B.M.,et al, 1997
Neurological Findings in Patients with the Fragile-X Syndrome
JNNP 48:150-153, Finelli,P.F.,et al, 1985