[Studies on the metabolic conversion of tryptophan into nicotinic acid in individuals with tumors of the bladder. Modifications in the urinary excretory picture after the administration of nicotinamide and vitamin B6].
D006801:Humans; D009369:Neoplasms; D009525:Niacin / Q000031:analogs & derivatives / Q000378:metabolism*; D009536:Niacinamide; D009539:Nicotinic Acids; D014364:Tryptophan / Q000378:metabolism*; D001749:Urinary Bladder Neoplasms; D025101:Vitamin B 6 / Q000494:pharmacology*
D009539:Nicotinic Acids; D009536:Niacinamide; D009525:Niacin; D025101:Vitamin B 6; D014364:Tryptophan
BLADDER/neoplasms; NICOTINIC ACID/metabolism; NICOTINIC ACID/related compounds; TRYPTOPHAN/metabolism; VITAMIN B 6/pharmacology