title: Isoenzymes of sphingomyelinase and the genetic defect in Niemann-Pick disease, type C.
mesh_terms: D001921:Brain; D002855:Chromatography, Thin Layer; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D007527:Isoenzymes / Q000378:metabolism*; D007700:Kinetics; D008099:Liver / Q000201:enzymology; D009542:Niemann-Pick Diseases / Q000201:enzymology* / Q000235:genetics; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism; D013109:Sphingomyelins; D014316:Tritium; D014461:Ultracentrifugation
chemical_list: D007527:Isoenzymes; D013109:Sphingomyelins; D014316:Tritium; D010727:Phosphoric Diester Hydrolases