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Map of 2825 studies found by search of:   "Pain"
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Map Legend
Region Name   Number of Studies
World 2825
Africa   [map]   25
Central America   [map]   28
East Asia   [map]   114
Japan 26   [studies]
Europe   [map]   656
Middle East   [map]   102
North America 1648
Canada   [map]   238   [studies]
Mexico 28   [studies]
United States   [map]   1466   [studies]
North Asia   [map]   29
Pacifica   [map]   57
South America   [map]   70
South Asia   [map]   25
Southeast Asia   [map]   26
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