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33127 Studies found for: Studies With Results
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Map Legend
Region Name   Number of Studies
World 33,127  
Africa   [map]   1,219  
Central America   [map]   924  
East Asia   [map]   3,268  
Japan 1,319   [studies]
Europe   [map]   7,261  
Middle East   [map]   1,445  
North America 23,423  
Canada   [map]   3,458   [studies]
Mexico 1,115   [studies]
United States   [map]   22,473   [studies]
North Asia   [map]   1,795  
Pacifica   [map]   1,777  
South America   [map]   1,885  
South Asia   [map]   881  
Southeast Asia   [map]   1,174  

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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.