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33638 Studies found for: Studies With Results
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Map Legend
Region Name   Number of Studies
World 33,638  
Africa   [map]   1,242  
Central America   [map]   941  
East Asia   [map]   3,315  
Japan 1,347   [studies]
Europe   [map]   7,371  
Middle East   [map]   1,473  
North America 23,792  
Canada   [map]   3,511   [studies]
Mexico 1,126   [studies]
United States   [map]   22,828   [studies]
North Asia   [map]   1,828  
Pacifica   [map]   1,802  
South America   [map]   1,909  
South Asia   [map]   890  
Southeast Asia   [map]   1,188  

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Studies with multiple locations are included in each region containing locations.