Goldzieher JW, Brody SA. Pharmacokinetics of ethinyl estradiol and mestranol. American Journal of Obstetrics and Gynecology. 1990, 163 (6 Pt 2): 2114–9. PMID 2256522. doi:10.1016/0002-9378(90)90550-Q.
Stanczyk FZ, Archer DF, Bhavnani BR. Ethinyl estradiol and 17β-estradiol in combined oral contraceptives: pharmacokinetics, pharmacodynamics and risk assessment. Contraception. 2013, 87 (6): 706–27. PMID 23375353. doi:10.1016/j.contraception.2012.12.011.
Goldzieher JW, Brody SA. Pharmacokinetics of ethinyl estradiol and mestranol. American Journal of Obstetrics and Gynecology. 1990, 163 (6 Pt 2): 2114–9. PMID 2256522. doi:10.1016/0002-9378(90)90550-Q.
Stanczyk FZ, Archer DF, Bhavnani BR. Ethinyl estradiol and 17β-estradiol in combined oral contraceptives: pharmacokinetics, pharmacodynamics and risk assessment. Contraception. 2013, 87 (6): 706–27. PMID 23375353. doi:10.1016/j.contraception.2012.12.011.