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
Genetic Counseling in Retinitis Pigmentosa
MCV Quart 8:283, Noah,V., 1972