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2. Vasomotor symptoms, serum estrogens, and gonadotropin levels in surgical menopause;Aksel;American Journal of Obstetrics and Gynecology,1976
3. Endometrial cancer and estrogen use;Antunes;New England Journal of Medicine,1979
4. High density lipoprotein and coronary heart disease;Betteridge;British Medical Journal,1989
5. Sex hormones and skin collagen content in postmenopausal women;Brincat;British Medical Journal,1983