Assertion: lung's capacity | /r/HasProperty | fev 1 /fvc ratio
Facets:
Source sentences:
text: Between the two groups, only the forced expiratory volume in 1 s/forced vital capacity (FEV 1 /FVC ratio) and the FEF 25%–75% value were significantly reduced (P = 0.04 and P = 0.01, respectively).