Santos, M., 		Almeida, R., 		Martins, P., 		Gonçalves, G., 		Nora, M., & 		Scigliano, H.
(2011).
 Sigmoid colon endometriosis treated laparoscopically: a difficult preoperative diagnosis.
<em>Revista Portuguesa De Cirurgia, </em>(17), 45-48.
Retrieved from <a href="https://revista.spcir.com/index.php/spcir/article/view/97" target="_new">https://revista.spcir.com/index.php/spcir/article/view/97</a>