title: Metabolism of aromatic amino acids in collagen diseases: urinary excretion of 3-methoxy-4-hydroxymandelic acid and the interference of 3-methoxy-4-hydroxyphenylpyruvate.
mesh_terms: D002624:Chemistry, Clinical; D002648:Child; D002675:Child, Preschool; D002854:Chromatography, Paper; D003095:Collagen Diseases / Q000652:urine*; D006801:Humans; D066298:In Vitro Techniques; D008333:Mandelic Acids / Q000652:urine*; D008995:Monoamine Oxidase / Q000378:metabolism; D010504:Periodic Acid; D010667:Phenylpyruvic Acids / Q000652:urine*; D012213:Rheumatic Fever / Q000652:urine*; D013053:Spectrophotometry
chemical_list: D008333:Mandelic Acids; D010667:Phenylpyruvic Acids; D010504:Periodic Acid; D008995:Monoamine Oxidase