The effect of pyridoxine deficiency induced by desoxypyridoxine in human subjects upon the excretion of N-methylnicotinamide after tryptophan administration.
D006801:Humans; D009536:Niacinamide / Q000031:analogs & derivatives; D014364:Tryptophan; D025101:Vitamin B 6; D026681:Vitamin B 6 Deficiency
D009536:Niacinamide; D025101:Vitamin B 6; D014364:Tryptophan; C008472:N-methylnicotinamide
NICOTINAMIDE; VITAMIN B6