Uddin, A. S., M. H. A. R. Talukder, L. Naher, and M. Z. Rahman. “Functional Endoscopic Sinus Surgery & Conventional Sinus Surgery in Inflammatory Sinonasal Diseases”. Bangladesh Journal of Otorhinolaryngology, vol. 20, no. 1, Feb. 2015, pp. 8-14, doi:10.3329/bjo.v20i1.22011.