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2774 Studies found for: during AND gas

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Map Legend
Source:https://ClinicalTrials.gov
Region Name Number of Studies
World 2,774
Africa [map] 83
Central America [map] 5
East Asia [map] 257
Japan 18 [studies]
Europe [map] 1,124
Middle East [map] 128
North America 803
Canada [map] 189 [studies]
Mexico 27 [studies]
United States [map] 617 [studies]
North Asia [map] 36
Pacifica [map] 37
South America [map] 107
South Asia [map] 20
Southeast Asia [map] 31
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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.