Whitaker, L H R, Middleton, L J, Daniels, J P, Williams, A R W, Priest, L, Odedra, S, Cheed, V, Stubbs, C E, Clark, T J, Lumsden, M, Hapangama, D K, Bhattacharya, S, Smith, P P, Nicholls, E P, Roberts, N, Semple, S I, Saraswat, L, Walker, J, Chodankar, R R & Critchley, H O D 2023, ' Ulipristal acetate versus levonorgestrel-releasing intrauterine system for heavy menstrual bleeding (UCON): a randomised controlled phase III trial ', EClinicalMedicine, vol. 60, 101995 . https://doi.org/10.1016/j.eclinm.2023.101995