title: [Diagnostic value of a morbid complex in the oral cavity partially attributed to niacin deficiency].
mesh_terms: D006801:Humans; D009059:Mouth Diseases; D009525:Niacin / Q000172:deficiency*; D010383:Pellagra; D014060:Tongue Diseases
chemical_list: D009525:Niacin
keywords: MOUTH/diseases; NICOTINIC ACID/deficiency; TONGUE/diseases