Phenylketonuria
eMedicine (December), Arnold,G.L., 2007
Clinical Spectrum of Succinic Semialdehyde Dehydrogenase Deficiency
Neurol 60:1413-1417, Pearl,P.L.,et al, 2003
Diagnostic Tests for Choreoacanthocytosis
Neurol 41:1000-1006, Feinberg,T.E.,et al, 1991