History of pellagra.
D000818:Animals; D004195:Disease Models, Animal; D004283:Dog Diseases / Q000209:etiology; D004285:Dogs; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007558:Italy; D010383:Pellagra / Q000266:history* / Q000662:veterinary; D013030:Spain; D014481:United States; D003313:Zea mays / Q000009:adverse effects