Klipping, C., Duijkers, I., Parke, S., Mellinger, U., Serrani, M., & Junge, W. (2012). Hemostatic Effects of a Novel Estradiol-Based Oral Contraceptive: An Open-Label, Randomized, Crossover Study of Estradiol Valerate/Dienogest versus Ethinylestradiol/Levonorgestrel. Springer International Publishing.

Klipping, Christine, Ingrid Duijkers, Susanne Parke, Uwe Mellinger, Marco Serrani, und Wolfgang Junge. Hemostatic Effects of a Novel Estradiol-Based Oral Contraceptive: An Open-Label, Randomized, Crossover Study of Estradiol Valerate/Dienogest Versus Ethinylestradiol/Levonorgestrel. Springer International Publishing, 2012.

Klipping, Christine, et al. Hemostatic Effects of a Novel Estradiol-Based Oral Contraceptive: An Open-Label, Randomized, Crossover Study of Estradiol Valerate/Dienogest Versus Ethinylestradiol/Levonorgestrel. Springer International Publishing, 2012.