Tiamkao, S., S. Tiamkao, V. Chotmongkol, and S. Jitpimolmard. “Prevalence and Clinical Features of Myasthenia Gravis Only and Myasthenia Gravis With Hyperthyroidism”. Srinagarind Medical Journal, vol. 9, no. 1, Nov. 2013, pp. 8-13, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13728.