[1]
S. . Biswas, M. M. H. . Khan, K. K. . U, K. K. . Pramanik, and P. K. . Datta, “Endoscopic Management of Maxillary Antral Diseases”, J Chittagong Med Coll Teachers Ass, vol. 28, no. 1, pp. 27–31, Aug. 2017.