Cita APA

Tworoger, S. S., Rosner, B. A., Willett, W. C., & Hankinson, S. E. (2011). The combined influence of multiple sex and growth hormones on risk of postmenopausal breast cancer: A nested case-control study. BioMed Central.

Chicago Style Citation

Tworoger, Shelley S., Bernard A. Rosner, Walter C. Willett, i Susan E. Hankinson. The Combined Influence of Multiple Sex and Growth Hormones On Risk of Postmenopausal Breast Cancer: A Nested Case-control Study. BioMed Central, 2011.

Cita MLA

Tworoger, Shelley S., Bernard A. Rosner, Walter C. Willett, i Susan E. Hankinson. The Combined Influence of Multiple Sex and Growth Hormones On Risk of Postmenopausal Breast Cancer: A Nested Case-control Study. BioMed Central, 2011.