N. Đ. Nguyễn, D. C. Trần, Q. H. Phạm, Đ. L. Nguyễn, Đ. V. Phạm, and H. L. Nguyễn, “TO EVALUATE THE INITIAL RESULTS OF LAPAROSCOPIC SURGERY OF GASTRIC-DUODENAL PERFORATION AND COMMENT ON COMPLICATIONS AT 4 MILITARY HOSPITAL- 4 ARMY CORPS”, JPMP175, no. 20, p. 10, June 2023.