Oral symptoms and treatment of a nicotinic acid deficiency.
D005145:Face; D041981:Gastrointestinal Tract; D006801:Humans; D009055:Mouth; D009525:Niacin / Q000172:deficiency*; D010383:Pellagra
D009525:Niacin
MOUTH; NICOTINIC ACID/deficiency; PELLAGRA