S. Stahlberg

Effects of an oral contraceptive containing 30 mcg ethinyl estradiol and 2 mg dienogest on lipid metabolism during 1 year of conventional or extended-cycle use.

N. Sänger, I. Wiegratz, K. Mittmann, 2010, Contraception.

Effect of extended-cycle regimen with an oral contraceptive containing 30 mcg ethinylestradiol and 2 mg dienogest on bleeding patterns, safety, acceptance and contraceptive efficacy.

N. Sänger, I. Wiegratz, K. Mittmann, 2011, Contraception.

Sperm‐cell volumetric measurements as parameters in bull semen function evaluation: correlation with nonreturn rate

A. Petrunkina, E. Töpfer‐Petersen, J. Pfeilsticker, 2001, Andrologia.

Effects of combined oral contraceptive ethinylestradiol (30 microg) and dienogest (2 mg) on carbohydrate metabolism during 1 year of conventional or extended-cycle use.

N. Sänger, I. Wiegratz, K. Mittmann, 2010, Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme.

Effects of conventional or extended-cycle regimen of an oral contraceptive containing 30 mcg ethinylestradiol and 2 mg dienogest on various hemostasis parameters.

N. Sänger, I. Wiegratz, K. Mittmann, 2008, Contraception.

Effects of an oral contraceptive containing 30 mcg ethinyl estradiol and 2 mg dienogest on thyroid hormones and androgen parameters: conventional vs. extended-cycle use.

N. Sänger, I. Wiegratz, K. Mittmann, 2008, Contraception.

Effect of extended-cycle regimen with an oral contraceptive containing 30 mcg ethinylestradiol and 2 mg dienogest on bleeding patterns, safety, acceptance and contraceptive efficacy.

N. Sänger, I. Wiegratz, K. Mittmann, 2011, Contraception.