Do, Ba, and Ngan Nguyen. “THE STATUS ADVERSE REACTIONS AFTER PFIZER VACCINATION OF EMPLOYEES IN TAN TRAO UNIVERSITY IN 2021”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 9, no. 1 (March 13, 2023). Accessed November 23, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/869.