Usefulness of clinical, ultrasonographic, hysteroscopic, and immunohistochemical parameters in differentiating endometrial polyps from endometrial cancer - Dias, D S; Bueloni-Dias, F N; Dias, R; Nahás-Neto, J; Nahás, E AP; Leite, N J (J Minim Invasive Gynecol, 2014)