Cita APA (7th ed.)

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

Cita Chicago (17th ed.)

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

Cita MLA (9th ed.)

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

Atenció: Aquestes cites poden no estar 100% correctes.