1. Cancer statistics;Silverberg,1979-1979
2. Modified mastectomy for older, poor risk patients;Berg;Surg Gynecol Obstet,1961
3. Breast cancer in elderly women;Schottenfeld;Geriatrics,1971
4. The treatment of operable breast cancer in the elderly female;Kesseler;Am J Surg,1978
5. Clinical classification and choice of treatment;Haagensen,1971