Chong VH, Wong J, Abdullah MS, Asli R, Momin RN, Ahmed SN, Tamin N, Mani BI, Chong PL. COVID-19 patients with negative results on initial screening: Experience of Brunei Darussalam. Western Pac Surveill Response J [Internet]. 2022 Jan. 6 [cited 2024 Apr. 26];13(1). Available from: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/772