Kumar S, Nayak D, Kumar S, Khan M, Rastogi R, Samant V. Collagen membrane: A new concept in surgical management for mucosal defect in oral sub mucous fibrosis. Asian J Med Sci [Internet]. 2021 Jul. 30 [cited 2024 Dec. 27];12(8):71-5. Available from: https://nepjol.info./index.php/AJMS/article/view/37077