[1]
M. E. Trejo-Ávila, D. Solórzano-Vicuña, C. Valenzuela-Salazar, R. Muñoz-Gutiérrez, S. Romero-Loera, and M. Moreno-Portillo, “Surgical treatment of perforated gastroduodenal peptic ulcers:comparison between open and laparoscopic approach”, Int Surg J, vol. 3, no. 4, pp. 1987–1991, Dec. 2016.