Seung Ong , P. ., N. . Aini Abdullah, and W. Sulaiman. “The link between psoriatic arthritis comorbidity index and clinical characteristics in patients with psoriatic arthritis (Eng)”. Thai Journal of Rheumatology, vol. 2, no. 1, Feb. 2025, pp. 1-8, https://he04.tci-thaijo.org/index.php/tjr/article/view/2884.