Samaniego, C., S. Gómez, R. Ramírez Nizza, O. Ojeda, and G. Rodriguez. “Colecistectomía laparoscópica. La Experiencia De Un Centro Privado”. Anales of the Faculty of Medical Sciences, vol. 38, no. 1-2, Oct. 2021, pp. 68-73, https://revistascientificas.una.py/index.php/RP/article/view/1423.