1. Osteoporosis and its relation to estrogen deficiency;Aitken,1976
2. Endometrial carcinoma and estrogen use;Atunes;N Engl J Med,1979
3. Estrogen replacement therapy and fibrocystic disease in postmenopausal women;Berkowitz;Am J Epidemiol,1985
4. Coagulation system changes in postmenopausal women receiving oestrogen preparations;Bonnar;Postgrad Med J,1976
5. Surgically confirmed gallbladder disease, venous thromboembolism, and breast tumors in relation to postmenopausal estrogen therapy;N Engl J Med,1974