Yaspe Costa, Edgardo, Carolina Silva Morera, and Patricia López Correa. 2012. “Prostate Carcinoma: Preoperative Factors Related With Extra Prostatic Extention and Positive Margins Hospital De San José, Bogotá DC. Colombia”. Journal of Medicine and Surgery Repertoire 21 (2):126-31. https://doi.org/10.31260/RepertMedCir.v21.n2.2012.807.