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79934 Studies found for: subjects
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Map Legend
Region Name Number of Studies
World 79,934  
Africa   [map]   1,669  
Central America   [map]   1,071  
East Asia   [map]   8,247  
Japan 2,027   [studies]
Europe   [map]   20,292  
Middle East   [map]   2,852  
North America 44,409  
Canada   [map]   6,034   [studies]
Mexico 1,309   [studies]
United States   [map]   41,533   [studies]
North Asia   [map]   2,255  
Pacifica   [map]   2,964  
South America   [map]   2,795  
South Asia   [map]   1,407  
Southeast Asia   [map]   1,914  

Click on a [map] link to show a map of that region.

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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.