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295 Studies found for: opioid use AND Drug AND Addiction

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Map Legend
Region Name Number of Studies
World [map] 295
North America 236
United States 225 [studies]
Alabama 6 [studies]
Arizona 2 [studies]
Arkansas 3 [studies]
California 33 [studies]
Colorado 7 [studies]
Connecticut 24 [studies]
District of Columbia 5 [studies]
Florida 20 [studies]
Georgia 4 [studies]
Idaho 1 [studies]
Illinois 13 [studies]
Indiana 3 [studies]
Iowa 1 [studies]
Kansas 1 [studies]
Kentucky 5 [studies]
Louisiana 2 [studies]
Maine 4 [studies]
Maryland 33 [studies]
Massachusetts 39 [studies]
Michigan 7 [studies]
Minnesota 8 [studies]
Mississippi 3 [studies]
Missouri 9 [studies]
Nebraska 1 [studies]
Nevada 2 [studies]
New Hampshire 8 [studies]
New Jersey 8 [studies]
New Mexico 10 [studies]
New York 46 [studies]
North Carolina 11 [studies]
Ohio 18 [studies]
Oklahoma 6 [studies]
Oregon 13 [studies]
Pennsylvania 32 [studies]
Rhode Island 10 [studies]
South Carolina 16 [studies]
Tennessee 7 [studies]
Texas 13 [studies]
Utah 12 [studies]
Vermont 7 [studies]
Virginia 5 [studies]
Washington 18 [studies]
West Virginia 6 [studies]
Wisconsin 7 [studies]

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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.