BALKAN MEDICAL JOURNAL, vol.34, no.2, pp.113-118, 2017 (SCI-Expanded, Scopus, TRDizin)
Background: Several recent studies have suggested that 1 minus-forced expiratory volume expired in 3 seconds / forced vital capacity (1-FEV3/FVC) may be an indicator of distal airway obstruction and a promising measure to evaluate small airways dysfunction.