Pellagra.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D005527:Food, Fortified; D005767:Gastrointestinal Diseases / Q000150:complications; D006266:Health Education; D006801:Humans; D009422:Nervous System Diseases / Q000150:complications; D009539:Nicotinic Acids / Q000627:therapeutic use; D010383:Pellagra / Q000150:complications / Q000453:epidemiology / Q000628:therapy; D012871:Skin Diseases / Q000150:complications; D012959:Socioeconomic Factors; D014803:Vitamin B Complex / Q000627:therapeutic use; D014804:Vitamin B Deficiency / Q000188:drug therapy
D009539:Nicotinic Acids; D014803:Vitamin B Complex