Letter: Urinary sphingomyelin in Niemann-Pick disease.
D006801:Humans; D009542:Niemann-Pick Diseases / Q000175:diagnosis / Q000652:urine*; D013106:Sphingolipidoses / Q000652:urine; D013109:Sphingomyelins / Q000652:urine*
D013109:Sphingomyelins