1. Medical Perspectives on Adulthood;Katchaourian,1978
2. The cell biology of human aging;Hayflick;New Engl J Med,1976
3. Immunobiology of aging: Evaluation of current status;Kay;Clin Immunopath,1976
4. Tuberculosis infection in a large urban population;Reichman;Amer Rev Resp Dis,1978
5. The natural history of tuberculosis in the human body—IV. Behavior of tuberculosis among elderly people;Myers;Amer Rev Resp Dis,1962