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Original Research Article

Phase II dose-finding study on ovulation inhibition and cycle control associated with the use of contraceptive vaginal rings containing 17β-estradiol and the progestagens etonogestrel or nomegestrol acetate compared to NuvaRing

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Pages 245-254 | Received 31 May 2018, Accepted 24 Jul 2018, Published online: 11 Sep 2018

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