title: Simultaneous central venous and arterial blood sampling for catecholamine assay in phaeochromocytoma.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000175:diagnosis*; D001800:Blood Specimen Collection / Q000379:methods*; D002395:Catecholamines / Q000097:blood*; D006801:Humans; D010673:Pheochromocytoma / Q000175:diagnosis*
chemical_list: D002395:Catecholamines