Wangmook, Kuncharot, Chananya Jirapornkul, Naowarat Maneenin, and Jaruwan Saraphol. 2022. “Factors Associated with Mortality among Patients with Coronavirus 2019 Infection in Upper Northeast, Thailand: Matched Case-Control Study”. Lanna Public Health Journal 18 (2):129-43. https://he02.tci-thaijo.org/index.php/LPHJ/article/view/258772.