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19719 Studies found for: survey

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Map Legend
Source:https://ClinicalTrials.gov
Region Name Number of Studies
World 19,719
Africa [map] 601
Central America [map] 187
East Asia [map] 1,494
Japan 329 [studies]
Europe [map] 3,877
Middle East [map] 649
North America 11,331
Canada [map] 1,365 [studies]
Mexico 247 [studies]
United States [map] 10,281 [studies]
North Asia [map] 356
Pacifica [map] 344
South America [map] 525
South Asia [map] 266
Southeast Asia [map] 336
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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.