1Mehroz shahid, 2Ammara, 3Sana maqsood, 4Adila Qasim, 5Shakila Abbas. “EFFECT OF CORTICOSTERIOD NASAL SPRAY ON TEAR FILM STABILITY IN ALLERGIC RHINITS ”. Harf-O-Sukhan, Vol. 6, no. 2, June 2022, pp. 425-30, https://harf-o-sukhan.com/index.php/Harf-o-sukhan/article/view/601.