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4058 Studies found for: subjects AND Double-blind AND Texas

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Map Legend
Region Name Number of Studies
World 4,058
Africa [map] 386
Central America [map] 388
East Asia [map] 697
Japan 316 [studies]
Europe [map] 1,629
Middle East [map] 516
North America 4,044
Canada [map] 1,345 [studies]
Mexico 515 [studies]
United States [map] 4,041 [studies]
North Asia [map] 747
Pacifica [map] 764
South America [map] 663
South Asia [map] 240
Southeast Asia [map] 306

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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.