Velugu Pavan Kumar, Praveen Gujjula, D Raghava, Kavala Nageswara Rao 2025. Formulation and In-vitro Evaluation of Mucoadhesive Buccal Films of Metformin Hydrochloride for Controlled Release . History of Medicine. 11, 2 (Oct. 2025), 135–153. DOI:https://doi.org/10.48047/.