Longitudinal Changes in Patient-reported Dyspnea in Patients with COPD

Author: Mahler Donald A.   Ward Joseph   Waterman Laurie A.   Baird John C.  

Publisher: Informa Healthcare

ISSN: 1541-2555

Source: COPD: Journal of Chronic Obstructive Pulmonary Disease, Vol.9, Iss.5, 2012-09, pp. : 522-527

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Abstract