A single-center, randomized double-blind, parallel-group study to examine the safety and efficacy of 3mg drospirenone/0.02 mg ethinyl estradiol compared with placebo in the treatment of moderate truncal acne vulgaris.
Palli, Ma Beatrice Alora, Claire Marie Reyes-Habito, Xinaida T Lima, and Alexa B Kimball. 2013. “A Single-Center, Randomized Double-Blind, Parallel-Group Study to Examine the Safety and Efficacy of 3mg Drospirenone/0.02 Mg Ethinyl Estradiol Compared With Placebo in the Treatment of Moderate Truncal Acne Vulgaris.”. Journal of Drugs in Dermatology : JDD 12 (6): 633-7.