Promsrichan N, Prasongsap P. Development of an Occupational Disease Surveillance System for Gold Panning Workers: A Case Study of Pak Chom District, Loei Province. loei j. [internet]. 2025 Dec. 30 [cited 2026 Oct. 15];3(2):59-77. available from: https://he03.tci-thaijo.org/index.php/JOPOLO/article/view/5194