Raza, M., A. Rafique, S. Khattak, M. Ali, A. Aleem, and M. Zubair. “A STUDY ON THE ENDOSCOPIC SINUS SURGERY OVER THE PERIOD OF 9 YEARS”. Pakistan Armed Forces Medical Journal, Vol. 71, no. Suppl-1, Jan. 2021, pp. S82-86, doi:10.51253/pafmj.v71iSuppl-1.4737.