External validation of the SF-36 quality of life questionnaire in italian and brazilian populations to select patients with colorectal endometriosis for surgery - Laas, Enora; Zacharopoulou, Chrysoula; Montanari, Giulia; Seracchioli, Renato; Abrão, Mauricio S.; Bassi, Marco A.; Ballester, Marcos; Darai, Emile (The Journal of Minimally Invasive Gynecology, 2015)