References
- Rock J, Garcia C-R, Pincus G. Effects of certain 19-norsteroids on the normal human menstrual cycle. Science 1956;124:891–3.
- Pincus G, Rock J, Garcia C-R, et al. Fertility control with oral medication. Am J Obstet Gynecol 1958;75:1333–46.
- RCGP. Oral contraception and thromboembolic disease. J R Coll Gen Pract 1967;13:267–79.
- Lidegaard O, Eztröm B, Kreina S. Oral contraceptives and venous thromboembolism: A five year national case control study. Contraception 2002;65:187–96.
- Jugdutt BI, Stevens GF, Zacks DJ, et al. Myocardial infarction, oral contraception, cigarette smoking, and coronary artery spasm in young women. Am Heart J 1983;108:757–61.
- Collaborative Group on Hormonal Factors in Breast Cancer. Breast cancer and hormonal contraceptives: Collaborative reanalysis of individual data on 53 297 women with breast cancer and 100 239 women without breast cancer from 54 epidemiological studies. Lancet 1996;347:1713–27.
- The Cancer and Steroid Hormone Study of the Centers for Disease Control and the National Institute of Child Health and Human Development. Oral-contraceptive use and the risk of breast cancer. N Engl J Med 1986;315:405–11.
- Marchbanks PA, McDonald JA, Wilson HG, et al. Oral contraceptives and the risk of breast cancer. N Engl J Med 2002;346:2025–32.
- Bitzer J. Kontrazeption – Von den Grundlagen zur PraxisStuttgartThieme Verlag2010.