1. Reiss, R.: Moral and ethical issues in geriatric surgery. J. Med. Ethics6:71, 1980
2. Marty, M.C.: Geronto-Chirurgie. Ann. Anesthesiol. Fr.18:5, 1977
3. Powers, R.: Surgery in the Aged Patients. Philadelphia, W.B. Saunders, 1968
4. Cowdry, E.V., Steinberg, F.U. (Editors): The Care of the Geriatric Patients. St. Louis, C.V. Mosby, 1971
5. Veath, R.: Death, Dying and the Biological Revolution. New Haven, Yale University Press, 1977