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10351 Studies found for: strength
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Map Legend
Region Name Number of Studies
World 10,351
Africa [map] 137
Central America [map] 40
East Asia [map] 731
Japan 91 [studies]
Europe [map] 3,336
Middle East [map] 444
North America 4,343
Canada [map] 782 [studies]
Mexico 73 [studies]
United States [map] 3,740 [studies]
North Asia [map] 92
Pacifica [map] 194
South America [map] 641
South Asia [map] 98
Southeast Asia [map] 147

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