Predictors of Objective Cough Frequency in Chronic Obstructive Pulmonary Disease
By Helen Sumner, Ashley Woodcock, Umme Kolsum, Rachel Dockry, Aili L. Lazaar, Dave Singh, Jørgen Vestbo and Jaclyn A. Smith
Publisher: American Thoracic Society
Year: 2013
DOI identifier: 10.1164/rccm.201211-2000oc
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