Lê, D.H.H., Nguyễn, Đoàn H.A.P. , Trần, Q.V. and Nguyễn, M.H. 2023. ANTI-SARS-COV-2 ANTIBODY LEVELS OF HEALTHCARE WORKERS AFTER MORE THAN 12 WEEKS OF VACCINATION. Vietnam Medical Journal. 526, 1A (May 2023). DOI:https://doi.org/10.51298/vmj.v526i1A.5312.