A phase 2b multicenter, randomized, double-blind, placebo-controlled clinical trial to evaluate the efficacy and safety of vaginal rings containing nomegestrol acetate or etonogestrel and 17β-estradiol in the treatment of women with primary dysmenorrhea
- Resource Type
- Article
- Source
- In
Contraception February 2019 99(2):125-130 - Subject
- Language
- ISSN
- 0010-7824