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84752 Studies found for: subjects

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Map Legend
Region Name Number of Studies
World 84,752
Africa [map] 1,751
Central America [map] 1,103
East Asia [map] 9,094
Japan 2,161 [studies]
Europe [map] 21,523
Middle East [map] 3,057
North America 46,709
Canada [map] 6,321 [studies]
Mexico 1,352 [studies]
United States [map] 43,687 [studies]
North Asia [map] 2,371
Pacifica [map] 3,105
South America [map] 2,928
South Asia [map] 1,495
Southeast Asia [map] 2,040

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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.