Retinitis Pigmentosa
Surv Ophthalmol 33:137-177, Pagon,R.A., 1988
Refsum Disease
In Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
The Spectrium of Neurologic Disorder From Vitamin E Deficiency
Neurol 36:917-921, Satya-Murti,S.,et al, 1986