Martini RD, Dorisnita, Hartati. Risk Factors for COVID-19: A Quantitative Study Conducted at Padang City Center Hospital. ijsmr [Internet]. 2023 Mar. 25 [cited 2024 Nov. 21];12:26-32. Available from: https://lifescienceglobal.com/pms/index.php/ijsmr/article/view/9068