Ngo, Vuong My Nhan, et al. “THE CHARACTERISTICS AND TREATMENT RESULTS OF ESOPHAGEAL FOREIGN BODY PATIENTS AT AN GIANG CENTER GENERAL HOSPITAL”. Cantho Journal of Medicine and Pharmacy, no. 35, Jan. 2021, pp. 9-16, https://tapchi.ctump.edu.vn/index.php/ctump/article/view/917.