Cita APA

Thijs, C., & Knipschild, P. (1993). Oral contraceptives and the risk of gallbladder disease: A meta-analysis.

Chicago Style Citation

Thijs, C., i P. Knipschild. Oral Contraceptives and the Risk of Gallbladder Disease: A Meta-analysis. 1993.

Cita MLA

Thijs, C., i P. Knipschild. Oral Contraceptives and the Risk of Gallbladder Disease: A Meta-analysis. 1993.

Atenció: Aquestes cites poden no estar 100% correctes.