Carboxymethylation of Karaya gum: application in gastroretentive drug delivery for sustained release of model drug. Int. J. Pharm. Sci. Drug Res. [Internet]. 2020 May 30 [cited 2026 Jul. 11];12(3):300-6. Available from: https://www.ijpsdronline.com/index.php/journal/article/view/1508