The guideline-recommended FEV1:FVC value of less than 0.70 is the optimal cutoff for the diagnosis of clinically significant chronic obstructive pulmonary disease (COPD), researchers say. The study, ...
A significant weakness of the excellent work by Kaplan and colleagues 1 relates to a lack of discussion on the spirometric overlap between asthma and chronic obstructive pulmonary disease (COPD) and ...