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81261 Studies found for: subjects
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Map Legend
Region Name Number of Studies
World 81,261
Africa [map] 1,689
Central America [map] 1,082
East Asia [map] 8,496
Japan 2,065 [studies]
Europe [map] 20,657
Middle East [map] 2,904
North America 45,055
Canada [map] 6,119 [studies]
Mexico 1,315 [studies]
United States [map] 42,137 [studies]
North Asia [map] 2,287
Pacifica [map] 2,997
South America [map] 2,841
South Asia [map] 1,438
Southeast Asia [map] 1,948

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

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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.