Vera Freundt, Mario Guillermo. “Laparoscopic Cholecystectomy, a Three-Incision Approach and One Visible Scar”. ACTA MEDICA PERUANA 29, no. 4 (December 28, 2012): 190-193. Accessed August 8, 2022. https://amp.cmp.org.pe/index.php/AMP/article/view/1215.