Hysterectomy, endometrial ablation and Mirena® for heavy menstrual bleeding: a systematic review of clinical effectiveness and cost-effectiveness analysis oleh S Bhattacharya, LJ Middleton, A Tsourapas, AJ Lee, R Champaneria, JP Daniels, T Roberts, NH Hilken, P Barton, R Gray, KS Khan, P Chien, P O’Donovan, KG Cooper, International Heavy Menstrual Bleeding Individual Patient Data Meta-analysis Collaborative Group