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5297 studies found for:    Lung Diseases, Obstructive
5297 studies found, shown on map.
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Map Legend
Region Name   Number of Studies
World 5297  
Africa   [map]   170  
Central America   [map]   74  
East Asia   [map]   474  
Japan 134   [studies]
Europe   [map]   2138  
Middle East   [map]   220  
North America 2090  
Canada   [map]   495   [studies]
Mexico 117   [studies]
United States   [map]   1776   [studies]
North Asia   [map]   258  
Pacifica   [map]   182  
South America   [map]   329  
South Asia   [map]   81  
Southeast Asia   [map]   135  

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.