Uadrang, S., T. Hlothong, R. Titarkart, and S. Sirironnarong. “Comparison of Fixed Versus Calculated Activity of Radioiodine for the Treatment of Hyperthyroidism: A Systematic Review”. Journal of The Department of Medical Services, vol. 47, no. 3, Sept. 2022, pp. 122-8, https://he02.tci-thaijo.org/index.php/JDMS/article/view/252600.