Ullah, S.; Uddin, W. M.; Iqbal, Z.; Ullah, I.; Iqbal, M. A.; Jie, W.; Sun, W.; Dong, T.; Daorong, W. Clinical Study of Open Versus Laparoscopic Management for Gastroduodenal Perforation. Int J Res Med Sci 2017, 5, 1829-1834.