Nhàn LT, Lợi TT, Việt TH, Dũng HS, Công NĐ. IMPACT OF COVID-19 VACCINE ON SEVERITY AND PROGRESSION OF ILLNESS IN COVID-19 INPATIENTS AT THE EASTERN MILITARY HOSPITAL. JPMP175. 2023;(31):11. doi:10.59354/ydth175.2022.51