Refsum DiseaseIn Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
Charcot-Marie-Tooth Disease Associated With"Essential Tremor"Neurol Sciences 28:17-40, Salisachs,P.J., 1976