ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY, cilt.97, sa.6, ss.767-774, 2006 (SCI-Expanded)
Background: Cysteinyl leukotrienes have been found to exert potent inflammatory effects in the upper airways and play a fundamental role in the pathogenesis of allergic rhinitis. Previous studies have reported increased levels of exhaled nitric oxide (eNO) in patients with allergic rhinitis without asthma symptoms.