Niazi, S., S. Maqbool, Z. Khan, A. Hakim, M. Aasim, S. Maqsood, and Y. Riaz. “EFFICACY OF FUNCTIONAL ENDOSCOPIC SINUS SURGERY(FESS) IN TREATMENT OF POST NASAL DRIP (PND) AS AN ANCILLARY PROCEDURE: A COMPARATIVE STUDY”. Pakistan Armed Forces Medical Journal (PAFMJ), Vol. 71, no. Suppl-3, Dec. 2021, pp. S573-76, doi:10.51253/pafmj.v71iSuppl-3.7945.