Vajrala, L. L.; Umashankar , M. S.; Alagusundaram , M. Formulation, Optimization and In-Vivo Pharmacokinetic Evaluation of Carvedilol Mucoadhesive Buccal Films by Using Natural Polymers: Http: www.doi.org 10.26538 Tjnpr V7i10.32. TJNPR 2023, 7, 4927-4936.