Theerawutwarawate K, Junset A. Effect of physical therapy in Covid 2019 : Saraburi hospital ; retrospective observational study. Saraburi Hosp. Med.J. [internet]. 2023 Jun. 30 [cited 2026 Sep. 17];37(1):48-65. available from: https://he01.tci-thaijo.org/index.php/SHMJ/article/view/260738