Charoensak, Suwit, Sriarpa Samajarn, Sasitorn Siritho, and Naraporn Prayoonwiwat. 2013. “Prevalence of Psychiatric Disorders in Patients With Demyelinating Disease in MS Clinic Siriraj Hospital”. Journal of the Psychiatric Association of Thailand 57 (2):175-84. https://he01.tci-thaijo.org/index.php/JPAT/article/view/5491.