Regidor P-A, Sailer M, Calvo E, Colli E, Palacios S. Improvement of dysmenorrhea, menstrual bleeding and continuation rate in women using the new vaginal ring Ornibel®. EGO [Internet]. 2020 Apr. 1 [cited 2026 Sep. 10];2(2). Available from: https://egojournal.eu/index.php/ego/article/view/200