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5386 studies found for:    Lung Diseases, Obstructive
5386 studies found, shown on map.
A similar map is available for all studies in
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Map Legend
Region Name   Number of Studies
World 5386  
Africa   [map]   174  
Central America   [map]   75  
East Asia   [map]   485  
Japan 135   [studies]
Europe   [map]   2179  
Middle East   [map]   223  
North America 2121  
Canada   [map]   499   [studies]
Mexico 117   [studies]
United States   [map]   1803   [studies]
North Asia   [map]   258  
Pacifica   [map]   187  
South America   [map]   334  
South Asia   [map]   81  
Southeast Asia   [map]   134  

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.