the interference of various foodstuffs on methods to determine epinephrine ( e ) , norepinephrine ( ne ) , vanillylmandelic acid ( vma ) , metanephrines ( mn ) , homovanillic acid ( hva ) , and 6-hydroxyindole acetic acid ( 5-hia ) in the 24 h urine for diagnosis of pheochromocytoma and carcinoid syndrome , respectively , was investigated .
C0014563
epinephrine
C0028351
norepinephrine