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19757 Studies found for: via AND are

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Map Legend
Region Name Number of Studies
World 19,757
Africa [map] 581
Central America [map] 220
East Asia [map] 1,461
Japan 258 [studies]
Europe [map] 5,087
Middle East [map] 989
North America 10,994
Canada [map] 1,579 [studies]
Mexico 228 [studies]
United States [map] 9,970 [studies]
North Asia [map] 370
Pacifica [map] 579
South America [map] 520
South Asia [map] 271
Southeast Asia [map] 503

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.