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31303 Studies found for: standard AND United States

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Map Legend
Region Name Number of Studies
World [map] 31,303
North America 30,842
Canada 2,004 [studies]
Alberta 706 [studies]
British Columbia 625 [studies]
Manitoba 280 [studies]
New Brunswick 103 [studies]
Newfoundland and Labrador 133 [studies]
Nova Scotia 303 [studies]
Ontario 1,474 [studies]
Prince Edward Island 10 [studies]
Quebec 1,042 [studies]
Saskatchewan 169 [studies]

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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.