2023Dapivirine Vaginal RingMTN 034StudiesAdherence, safety, and choice of the monthly dapivirine vaginal ring or oral emtricitabine plus tenofovir disoproxil fumarate for HIV pre-exposure prophylaxis among African adolescent girls and young women: a randomised, openlabel, crossover trial..2023 Celum REACH primary results_Lancet HIV