Multicenter Study
Do asbestos-related pleural plaques on HRCT scans cause restrictive impairment in the absence of pulmonary fibrosis?
Thorax. 2011 Nov 1;66(11):985-91.
Review
Lower limit of normal or FEV1/FVC < 0.70 in diagnosing COPD: an evidence-based review.
Respir Med. 2011 Jun 1;105(6):907-15.
Comparative Study
A method to derive lower limit of normal for the FEV1/forced expiratory volume at 6 s of exhalation ratio from FEV1/FVC data.
Chest. 2009 Feb 1;135(2):408-18.