NCT00515164
- Conditions
- Chronic Disease, Chronic Obstructive Pulmonary Disease, Disease Attributes, +8 more
- Locations
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- Pulmonary Associates Phoenix, Arizona, United States
- University of Iowa Hospitals & Clinics Iowa City, Iowa, United States
- Veritas Clinical Specialties, Ltd Topeka, Kansas, United States
- St Joseph's Medical Center Towson, Maryland, United States