Institute of Medicine (U.S.). Committee on the Relationship Between Oral Contraceptives and Breast Cancer & ebrary, Inc. (1991). Oral contraceptives & breast cancer. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
Institute of Medicine (U.S.). Committee on the Relationship Between Oral Contraceptives and Breast Cancer eta Inc ebrary. Oral Contraceptives & Breast Cancer. Washington, D.C.: National Academy Press, 1991.
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MLA (9th ed.) Zitazioa
Institute of Medicine (U.S.). Committee on the Relationship Between Oral Contraceptives and Breast Cancer eta Inc ebrary. Oral Contraceptives & Breast Cancer. National Academy Press, 1991.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.