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4396 Studies found for: (Ear OR Nose OR Throat) AND Conditions
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Map Legend
Region Name   Number of Studies
World 4,396  
Africa   [map]   35  
Central America   [map]   26  
East Asia   [map]   489  
Japan 36   [studies]
Europe   [map]   1,142  
Middle East   [map]   152  
North America 1,913  
Canada   [map]   252   [studies]
Greenland 1   [studies]
Mexico 24   [studies]
United States   [map]   1,716   [studies]
North Asia   [map]   34  
Pacifica   [map]   72  
South America   [map]   108  
South Asia   [map]   23  
Southeast Asia   [map]   81  

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