AMERICAN JOURNAL OF OTOLARYNGOLOGY, cilt.30, sa.5, ss.312-317, 2009 (SCI-Expanded, Scopus)
Background: No diagnostic test had been specifically developed to diagnose nonallergic rhinitis (NAR). Also a negative nasal smear for eosinophils does not rule out the diagnosis. There is a significant diagnostic problem in patients with NAR. How can we solve this problem?