Martini RD, Dorisnita, Hartati. Risk Factors for COVID-19: A Quantitative Study Conducted at Padang City Center Hospital. ijsmr [Internet]. 2023 Mar. 25 [cited 2025 Jul. 27];12:26-32. Available from: http://mail.lifescienceglobal.com/pms/index.php/ijsmr/article/view/9068