title: Sphingomyelinase isozymes of human tissues: a phpothesis on enzymatic differentiation of the neuropathic and non-neuropathic forms of Niemann-Pick disease.
mesh_terms: D001921:Brain / Q000201:enzymology*; D006801:Humans; D007527:Isoenzymes / Q000302:isolation & purification / Q000378:metabolism*; D008099:Liver / Q000201:enzymology; D009542:Niemann-Pick Diseases / Q000175:diagnosis / Q000201:enzymology*; D009928:Organ Specificity; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism*; D013108:Sphingomyelin Phosphodiesterase / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D007527:Isoenzymes; D010727:Phosphoric Diester Hydrolases; D013108:Sphingomyelin Phosphodiesterase