![A comparison of combined oral contraceptives containing chlormadinone acetate versus drospirenone for the treatment of acne and dysmenorrhea: a randomized trial | Contraception and Reproductive Medicine | Full Text A comparison of combined oral contraceptives containing chlormadinone acetate versus drospirenone for the treatment of acne and dysmenorrhea: a randomized trial | Contraception and Reproductive Medicine | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs40834-018-0058-9/MediaObjects/40834_2018_58_Fig1_HTML.gif)
A comparison of combined oral contraceptives containing chlormadinone acetate versus drospirenone for the treatment of acne and dysmenorrhea: a randomized trial | Contraception and Reproductive Medicine | Full Text
![A 12-month evaluation of the CMA-containing oral contraceptive Belara®: efficacy, tolerability and anti-androgenic properties - ScienceDirect A 12-month evaluation of the CMA-containing oral contraceptive Belara®: efficacy, tolerability and anti-androgenic properties - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S001078240200536X-gr1.jpg)
A 12-month evaluation of the CMA-containing oral contraceptive Belara®: efficacy, tolerability and anti-androgenic properties - ScienceDirect
![Contraceptive Efficacy and Tolerability of Chlormadinone Acetate 2mg/ Ethinylestradiol 0.03mg (Belara®) | SpringerLink Contraceptive Efficacy and Tolerability of Chlormadinone Acetate 2mg/ Ethinylestradiol 0.03mg (Belara®) | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.2165%2F00044011-200222040-00002/MediaObjects/40261_2012_22040221_Tab2.jpg)