1. Busse E, Blazer D: The myth, history, and science of aging, In Blazer D, Steffens D, Busse E, Eds. The American Psychiatric Publishing Textbook of Geriatric Psychiatry: 3rd ed. Washington, D.C.; 2004, pp 3–16
2. The Journey of Life: A Cultural History of Aging in America;Cole,1992
3. Gerovital H3 in the treatment of the depressed aging patient;Cohen;Psychosomatics,1974
4. Testosterone and Aging: Clinical Research Directions,2004
5. Geriatrics: The Diseases of Old Age and their Treatment;Nascher,1914