title: Improved matrix-assisted laser desorption/ionization time-of-flight mass spectrometric method for identification of amino acid O-glycosides in patients with alpha-N-acetylgalactosaminidase deficiency.
mesh_terms: D000596:Amino Acids / Q000737:chemistry*; D006027:Glycosides / Q000737:chemistry / Q000652:urine*; D006596:Hexosaminidases / Q000172:deficiency*; D006801:Humans; D019032:Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; D048809:alpha-N-Acetylgalactosaminidase
chemical_list: D000596:Amino Acids; D006027:Glycosides; D006596:Hexosaminidases; C482722:NAGA protein, human; D048809:alpha-N-Acetylgalactosaminidase