Description : Pellagra?
Last Answer : DefinitionPellagra is a disease that occurs when a person does not get enough niacin (one of the B complex vitamins) or tryptophan (an amino acid).Alternative NamesVitamin B3 deficiency; Deficiency - niacinCauses, ... In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunde