Patel, Adil. “In Vitro and In Vivo Evaluation of Chitosan/Karaya Gum Interpolymer Complex Based Mucoadhesive Buccal Films of Tramadol HCl”. Asian Journal of Pharmaceutics (AJP) 11, no. 04 (February 9, 2018). Accessed May 2, 2024. http://www.asiapharmaceutics.info/index.php/ajp/article/view/1721.