Beral, V., & Reeves, G. (1998). Breast cancer and combined oral contraceptives: Results from the Collaborative Group on Hormonal Factors in Breast Cancer.
Chicago Style (17th ed.) CitationBeral, V., and G. Reeves. Breast Cancer and Combined Oral Contraceptives: Results from the Collaborative Group on Hormonal Factors in Breast Cancer. 1998.
MLA (9th ed.) CitationBeral, V., and G. Reeves. Breast Cancer and Combined Oral Contraceptives: Results from the Collaborative Group on Hormonal Factors in Breast Cancer. 1998.
Warning: These citations may not always be 100% accurate.