Kitidumrongsook, Pravit, Pobe Luengjamikorn, Yongsak Wangroongsub, and Prakit Tienboon. 2023. “Efficacy and safety of Prosulf-Forte in the treatment of osteoarthritis of the knee at King Chulalongkorn Memorial Hospital”. Chulalongkorn Medical Journal 56 (3). Bangkok, Thailand. https://he05.tci-thaijo.org/index.php/CMJ/article/view/786.