By King Paul   Holdsworth Stephen   Farmer Michael   Freezer Nicholas   Villanueva Elmer   Holmes Peter   in COPD: Journal of Chronic Obstructive Pulmonary Disease

ISSN:1541-2555|6|2|130-136

Informa Healthcare‎(2009)‎

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By King Paul T   Holdsworth Stephen R   Freezer Nicholas J   Villanueva Elmer   Farmer Michael W   Guy Paul   Holmes Peter W   in Respiratory Care

ISSN:0020-1324|55|12|1686-1692

The Journal Respiratory Care Company‎(2010)‎

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