APA

Kuhnz W., al-Yacoub G. & Fuhrmeister A. (19930112). Pharmacokinetics of levonorgestrel and ethinylestradiol in 9 women who received a low-dose oral contraceptive over a treatment period of 3 months and, after a wash-out phase, a single oral administration of the same contraceptive formulation. : Contraception.

Chicago

Kuhnz W, al-Yacoub G and Fuhrmeister A. 19930112. Pharmacokinetics of levonorgestrel and ethinylestradiol in 9 women who received a low-dose oral contraceptive over a treatment period of 3 months and, after a wash-out phase, a single oral administration of the same contraceptive formulation. : Contraception.

Harvard

Kuhnz W., al-Yacoub G. and Fuhrmeister A. (19930112). Pharmacokinetics of levonorgestrel and ethinylestradiol in 9 women who received a low-dose oral contraceptive over a treatment period of 3 months and, after a wash-out phase, a single oral administration of the same contraceptive formulation. : Contraception.

MLA

Kuhnz W, al-Yacoub G and Fuhrmeister A. Pharmacokinetics of levonorgestrel and ethinylestradiol in 9 women who received a low-dose oral contraceptive over a treatment period of 3 months and, after a wash-out phase, a single oral administration of the same contraceptive formulation. : Contraception. 19930112.