Liengpongpun, P., & Saipanish, R. . (2022). A study of clinical symptoms and severity of obsessive-compulsive disorder Patients at Ramathibodi Hospital during the COVID-19 pandemic. Journal of the Psychiatric Association of Thailand, 67(2), 212–222. Retrieved from https://he01.tci-thaijo.org/index.php/JPAT/article/view/253897