Thongkrasan S. Development of health care system management model for high-risk exposure and patients infected with coronavirus disease 2019 under repeated surveillance in Uttaradit Province. JPHSR [internet]. 2022 Dec. 28 [cited 2026 Oct. 10];4(3):23-35. available from: https://he01.tci-thaijo.org/index.php/JPHSR/article/view/256581