Jithitikulchai T. Cost Variations in Outpatient and Inpatient Services among Three Health Insurance Schemes in Thai Public Hospitals. J Health Syst Res [internet]. 2023 Dec. 28 [cited 2025 Apr. 3];17(4):684-98. available from: https://he04.tci-thaijo.org/index.php/j_hsr/article/view/2421