
Keywords: طیف سنج جرمی چهار ساعته پرواز; FENO; Concentration of NO in exhaled breath; CRP; C-reactive protein; FEV1; forced expiratory volume in 1Â s; FVC; forced vital capacity; IL-6; interleukin 6; ICC; intra class correlation coefficient; m/z; mass-to-charge ratio; PNC; particle number concen