H. T. H. Vân, N. N. Hiếu, Đặng T. Hương, Đỗ N. Khánh, and L. M. Giang, “23. Prevalence and factors associated with COVID-19 vaccination coverage among hospitalized patients infected with SARS-COV-2 in Bac Ninh and Nghe An, Vietnam, 2022”, TCNCYH, vol. 175, no. 2, pp. 194-204, Mar. 2024.