Vera-Portilla, Angel F., Malory Jamille Minaya Ruiz, Walter Alberto Vera Portilla, Javier Huanca Báez, and Patricia Pardo Apaza. “Intestinal Obstruction Due to Gallstone Ileus: A Case Report”. ACTA MEDICA PERUANA 39, no. 3 (September 20, 2022). Accessed November 23, 2024. http://54.39.98.165/index.php/AMP/article/view/2383.