Niazi, S.A. (2021) “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, 71(Suppl-3), pp. S573–76. doi:10.51253/pafmj.v71iSuppl-3.7945.