title: Laboratory and clinical observations with a two-column plasma catecholamine assay.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000097:blood / Q000175:diagnosis*; D002395:Catecholamines / Q000097:blood*; D002845:Chromatography; D004837:Epinephrine / Q000097:blood; D006801:Humans; D006973:Hypertension / Q000175:diagnosis / Q000652:urine; D008722:Methods; D009638:Norepinephrine / Q000097:blood; D009647:Normetanephrine / Q000652:urine; D010673:Pheochromocytoma / Q000097:blood / Q000175:diagnosis*
chemical_list: D002395:Catecholamines; D009647:Normetanephrine; D009638:Norepinephrine; D004837:Epinephrine