title: A COLORIMETRIC MODIFICATION OF THE PISANO METHOD FOR THE ESTIMATION OF 3-METHOXY-4-HYDROXYMANDELIC ACID IN URINE.
mesh_terms: D001547:Benzaldehydes; D001826:Body Fluids; D003124:Colorimetry; D008333:Mandelic Acids; D010673:Pheochromocytoma; D014556:Urine
chemical_list: C475474:3-methoxy-4-hydroxymandelic acid; D001547:Benzaldehydes; D008333:Mandelic Acids; C100058:vanillin; C037938:mandelic acid
keywords: COLORIMETRY; MANDELIC ACID; PHEOCHROMOCYTOMA; URINE; VANILLIN