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93531 Studies found for: (NOT NOTEXT) [CITATIONS]
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Map Legend
Region Name   Number of Studies
World 93,531  
Africa   [map]   3,504  
Central America   [map]   1,323  
East Asia   [map]   9,104  
Japan 1,570   [studies]
Europe   [map]   28,789  
Middle East   [map]   3,970  
North America 41,661  
Canada   [map]   7,425   [studies]
Greenland 1   [studies]
Mexico 1,547   [studies]
United States   [map]   37,095   [studies]
North Asia   [map]   2,041  
Pacifica   [map]   2,853  
South America   [map]   4,169  
South Asia   [map]   1,802  
Southeast Asia   [map]   2,387  

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