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Study Location:
A location is defined by clicking on the Map below
845 Studies found for:
Pulmonary Disease, Chronic Obstructive: Clinical Trials
A similar map is available for all studies in ClinicalTrials.gov
Click on the map below to show a more detailed map (when available) or search for studies (when map not available).
Map Legend
Region Name   Number of Studies
World 845  
Africa   [map]   38  
Central America   [map]   7  
East Asia   [map]   102  
Japan 32   [studies]
Europe   [map]   440  
Middle East   [map]   17  
North America 280  
Canada   [map]   87   [studies]
Mexico 21   [studies]
United States   [map]   231   [studies]
North Asia   [map]   77  
Pacifica   [map]   51  
South America   [map]   72  
South Asia   [map]   12  
Southeast Asia   [map]   22  

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.