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5341 studies found for:    Lung Diseases, Obstructive
5341 studies found, shown on map.
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Map Legend
Region Name   Number of Studies
World 5341  
Africa   [map]   171  
Central America   [map]   75  
East Asia   [map]   480  
Japan 134   [studies]
Europe   [map]   2158  
Middle East   [map]   222  
North America 2102  
Canada   [map]   497   [studies]
Mexico 117   [studies]
United States   [map]   1787   [studies]
North Asia   [map]   259  
Pacifica   [map]   186  
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.