The Effect of Defining Chronic Obstructive Pulmonary Disease by the Lower Limit of Normal of FEV1/FVC Ratio in Tiotropium Safety and Performance in Respimat Participants
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DOI: 10.1513/annalsats.201703-194oc
Abstract: Rationale: There is continuing debate about whether to define airflow obstruction by a post‐bronchodilator ratio of forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) below 0.70, or by ratio values falling… read more here.
Keywords: chronic obstructive; tiotropium; obstructive pulmonary; ratio ... See more keywords