Pellagra: notes and comments.
D004534:Egypt; D006801:Humans; D009539:Nicotinic Acids / Q000627:therapeutic use; D010383:Pellagra / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology / Q000473:pathology; D012552:Schistosomiasis / Q000453:epidemiology
D009539:Nicotinic Acids