4108 studies found for:    Lung Diseases, Obstructive
4108 studies found, shown on map.
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
Source:http://ClinicalTrials.gov
Region Name   Number of Studies
World 4108  
Africa   [map]   140  
Central America   [map]   68  
East Asia   [map]   359  
Japan 106   [studies]
Europe   [map]   1658  
Middle East   [map]   183  
North America 1692  
Canada   [map]   389   [studies]
Mexico 89   [studies]
United States   [map]   1451   [studies]
North Asia   [map]   203  
Pacifica   [map]   147  
South America   [map]   244  
South Asia   [map]   67  
Southeast Asia   [map]   109  
Hints:

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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.