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Efficacy and safety of a low-dose 24-day combined oral contraceptive containing 20 μg ethinylestradiol and 3 mg drospirenoneBACHMANN, Gloria; SULAK, Patricia J; SAMPSON-LANDERS, Carole et al.Contraception (Stoneham). 2004, Vol 70, Num 3, pp 191-198, issn 0010-7824, 8 p.Article

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Long-term efficacy and safety of a monophasic combined oral contraceptive containing 0.02 mg ethinylestradiol and 2 mg chlormadinone acetate administered in a 24/4-day regimenBRUCKER, Cosima; HEDON, Bernard; THE, Hok Sien et al.Contraception (Stoneham). 2010, Vol 81, Num 6, pp 501-509, issn 0010-7824, 9 p.Article

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