1. NIEMANN-PICK DISEASE
2. Fredrickson, D.S.: Sphingomyelin lipidosis: Niemann-Pick disease . In The Metabolic Basis of Inherited Disease. J. B. Stanbury, J. B. Wyngaarden and D. S. Fredrickson, Editors. 2nd Ed. New York, McGraw-Hill Book Co., 1966, pp. 586-607.