“Association of the Vaccination Status of Health Workers of COVID-19 Survivors With The Outcomes of Treatment of COVID-19 At General Hospital in Padang City”. Jurnal Respirologi Indonesia 43, no. 3 (July 31, 2023): 158–166. Accessed August 20, 2025. http://www.jurnalrespirologi.org/index.php/jri/article/view/351.