1. Cancer, Facts and Figures, 1980;American Cancer Society Publications,1980
2. Trends in survival rates of patients with cancer;Cutler;N Engl J Med,1975
3. Gynecologic Cancer;Rutledge,1976
4. Gynecological and Obstetric Pathology with Clinical and Endocrine Relations;Novak,1979
5. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology;Sanders,1980