Refsum Disease
In Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
Retinitis Pigmentosa
Surv Ophthalmol 33:137-177, Pagon,R.A., 1988
Lower Motor & Primary Sensory Neuron Diseases with Peroneal Muscular Atrophy
Arch Neurol 18:603, Dyck,P.,et al, 1968