Lipnick, R., Buring, J., Hennekens, C., Rosner, B., Willett, W., Bain, C., . . . Speizer, F. (1986). Oral contraceptives and breast cancer. A prospective cohort study.
Lua i Stíl Chicago (17ú heag.)Lipnick, R., et al. Oral Contraceptives and Breast Cancer. A Prospective Cohort Study. 1986.
Lua MLA (9ú heag.)Lipnick, R., et al. Oral Contraceptives and Breast Cancer. A Prospective Cohort Study. 1986.
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