Refsum DiseaseIn Rowland's Merritt's Textbk of Neurology, Lea & Febiger, Phila, 8thEd, p. 509, Menkes,J.H., 1989
Tangier Disease (Hypo-a-Lipoproteinemia)Textbook of Child Neurology, 3rd Ed. , Phila, Lea & Febiger, Ch 1, p 86, Menkes,J.H., 1985