Does fertility treatment increase the risk of uterine cancer? A meta-analysis - Saso, S; Louis, LS; Doctor, F; Hamed, AH; Chatterjee, J; Yazbek, J; Bora, S; Abdalla, H; Ghaem-Maghami, S; Thum, M-Y (EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, 2015)