Serum 25-Hydroxyvitamin D Levels in Relation to Lung Function and Exhaled Nitric Oxide in Children
Keywords: 25 هیدروکسی ویتامین D; 25(OH)D; 25-hydroxyvitamin D; BMI; Body mass index; FEF25-75; Forced expiratory flow at 25%-75%; FeNO; Fraction of exhaled nitric oxide; FEV1; Forced expiratory volume in 1Â second; FVC; Forced vital capacity; NO; Nitric oxide; PEF; Peak expiratory flow;