Refsum Disease
In Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
Friedreich Ataxia
In Rowland, L. P. Merritt's Textbook of Neurology, 8th Ed, Lea & Febiger, Phila, Ch 13, p627, Rosenberg,R.N., 1989
Charcot-Marie-Tooth Disease Associated With"Essential Tremor"
Neurol Sciences 28:17-40, Salisachs,P.J., 1976