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2669 Studies found for: Oklahoma AND Cancer

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Map Legend
Region Name Number of Studies
World 2,669
Africa [map] 184
Central America [map] 424
East Asia [map] 460
Japan 251 [studies]
Europe [map] 833
Middle East [map] 361
North America 2,661
Canada [map] 1,052 [studies]
Mexico 207 [studies]
United States [map] 2,661 [studies]
North Asia [map] 317
Pacifica [map] 637
South America [map] 331
South Asia [map] 100
Southeast Asia [map] 183

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Studies with multiple locations are included in each region containing locations.