4994 studies found for:    Lung Diseases, Obstructive
4994 studies found, shown on map.
A similar map is available for all studies in ClinicalTrials.gov
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Map Legend
Source:https://ClinicalTrials.gov
Region Name   Number of Studies
World 4994  
Africa   [map]   163  
Central America   [map]   72  
East Asia   [map]   442  
Japan 127   [studies]
Europe   [map]   2020  
Middle East   [map]   212  
North America 2001  
Canada   [map]   470   [studies]
Mexico 110   [studies]
United States   [map]   1702   [studies]
North Asia   [map]   245  
Pacifica   [map]   174  
South America   [map]   298  
South Asia   [map]   71  
Southeast Asia   [map]   124  
Hints:

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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.