Regidor, P.-A., Sailer, M., Calvo, E., Colli, E., & Palacios, S. (2020). Improvement of dysmenorrhea, menstrual bleeding and continuation rate in women using the new vaginal ring Ornibel®. European Gynecology & Obstetrics, 2(2). https://doi.org/10.53260/EGO.2020213