Refsum DiseaseIn Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
Neurocutaneous Diseasein Dermatology in General Medicine, Fitzpatrick, et al, eds, McGraw Hill, 1971, pp. 1379-1434., Adams,R., 1971