[Causes for gastro-intestinal symptoms in pellagra].
D000328:Adult; D000368:Aged; D001341:Autonomic Nervous System / Q000473:pathology; D003967:Diarrhea / Q000150:complications; D005767:Gastrointestinal Diseases / Q000209:etiology; D006801:Humans; D007420:Intestine, Large / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009474:Neurons / Q000473:pathology; D010383:Pellagra / Q000150:complications*; D013270:Stomach / Q000473:pathology; D014630:Vagus Nerve / Q000473:pathology