1. Medicine in the nineteenth century;Osler,1905
2. Presidential Address at the Joint Annual Conference;Rao,1971
3. Institute of Medicine, Healthy people: the Surgeon General's report on health promotion and disease prevention, Washington, US Department of Health, Education and Welfare, Public Health Service, 1979
4. Prospective study of pneumonia hospitalizations and mortality of U.S. older people: the role of chronic conditions. health behaviors, and nutritional status;Lacroix;Public Health Reports,1989