5620 Studies found for: Lung Diseases, Obstructive
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Map Legend
Region Name   Number of Studies
World 5,620  
Africa   [map]   189  
Central America   [map]   74  
East Asia   [map]   553  
Japan 146   [studies]
Europe   [map]   2,271  
Middle East   [map]   236  
North America 2,151  
Canada   [map]   525   [studies]
Mexico 121   [studies]
United States   [map]   1,818   [studies]
North Asia   [map]   280  
Pacifica   [map]   192  
South America   [map]   343  
South Asia   [map]   85  
Southeast Asia   [map]   137  

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