title: Interference with measurement of 3-methoxy-4-hydroxymandelic acid and 5-hydroxyindoleacetic acid by reducing metabolites.
mesh_terms: D000368:Aged; D000474:Alkaptonuria / Q000652:urine; D001241:Aspirin / Q000378:metabolism / Q000627:therapeutic use; D002276:Carcinoid Tumor / Q000652:urine; D004295:Dihydroxyphenylalanine / Q000378:metabolism / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007210:Indoleacetic Acids / Q000652:urine*; D008297:Male; D008303:Malignant Carcinoid Syndrome / Q000652:urine; D008875:Middle Aged; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D007210:Indoleacetic Acids; D014642:Vanilmandelic Acid; D004295:Dihydroxyphenylalanine; D001241:Aspirin