title: Rapid and reliable estimation of urinary free catecholamines in patients with pheochromocytoma: comparison with plasma catecholamines and vanillylmandelic acid excretion.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000097:blood / Q000652:urine*; D002395:Catecholamines / Q000097:blood / Q000652:urine*; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D010673:Pheochromocytoma / Q000097:blood / Q000652:urine*; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D002395:Catecholamines; D014642:Vanilmandelic Acid