1. Buccal mucosa as a route for systemic drug delivery: a review;Shojaei;J. Pharm. Pharm. Sci.,1998
2. Buccal delivery systems;Hao;Drug Dev. Ind. Pharm.,2003
3. Mucoadhesive polymers for buccal drug delivery;Laffleur;Drug Dev. Ind. Pharm.,2014
4. S. Davis, P. Daly, J. Kennerley, M. Frier, J. Hardy, C. Wilson, Design and evaluation of sustained release formulations for oral and buccal administration, Control. Release Nitroglycerine in Buccal and Oral Form, 17-25.
5. Susadrin transmucosal tablets (nitroglycerin in synchron-controlled release base);Schor;Drug Dev. Ind. Pharm.,1983