EFFICACY OF FUNCTIONAL ENDOSCOPIC SINUS SURGERY(FESS) IN TREATMENT OF POST NASAL DRIP (PND) AS AN ANCILLARY PROCEDURE: A COMPARATIVE STUDY
Saleem Asif Niazi, Shahzad Maqbool, Zafar Ullah Khan, Abdul Hakim, Muhammad Umair Aasim, Shahid Maqsood, Yousra Riaz
Abstract
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