Vongkasem, V., and S. Lochid-amnuay. “The health utility of Graves’ disease treatments at Damnoensaduak hospital”. Journal of Medicine and Health Sciences, vol. 19, no. 2, Nov. 2012, pp. 38-45, https://he01.tci-thaijo.org/index.php/jmhs/article/view/59732.