Ardiansyah, Muhammad Yudhi, Zarfiardy Aksa Fauzi, and Rohani Lasmaria S. “The Relationship Between COVID-19 Vaccination and the Severity of COVID-19 in Patients Treated for the Period August 2021 – August 2022 at Arifin Achmad General Hospital, Riau Province, Indonesia”. Bioscientia Medicina : Journal of Biomedicine and Translational Research 8, no. 3 (December 19, 2023): 4111-4116. Accessed December 22, 2024. https://bioscmed.com/index.php/bsm/article/view/938.