Health and disease on the western frontier. A bicentennial appreciation.
D003967:Diarrhea / Q000266:history; D004032:Diet; D049672:History, 19th Century; D006801:Humans; D008288:Malaria / Q000266:history; D010939:Plant Poisoning; D014435:Typhoid Fever / Q000266:history; D014481:United States