Shikha Aggarwal, G.D Gupta, and Sandeep Chaudhary. “Solubility and Dissolution Enhancement of Poorly Aqueous Soluble Drug Atorvastatin Calcium Using Modified Gum Karaya As Carrier: In Vitro-In Vivo Evaluation”. International Journal of Drug Delivery, vol. 4, no. 3, Sept. 2012, pp. 341-65, https://ijdd.arjournals.org/index.php/ijdd/article/view/157.