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246 Studies found for: every 12 hours AND for | Mexico

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Map Legend
Region Name Number of Studies
World [map] 246
North America 246
United States 144 [studies]
Alabama 74 [studies]
Alaska 2 [studies]
Arizona 69 [studies]
Arkansas 37 [studies]
California 119 [studies]
Colorado 66 [studies]
Connecticut 42 [studies]
Delaware 19 [studies]
District of Columbia 17 [studies]
Florida 106 [studies]
Georgia 71 [studies]
Hawaii 6 [studies]
Idaho 25 [studies]
Illinois 71 [studies]
Indiana 60 [studies]
Iowa 22 [studies]
Kansas 36 [studies]
Kentucky 45 [studies]
Louisiana 51 [studies]
Maine 15 [studies]
Maryland 53 [studies]
Massachusetts 58 [studies]
Michigan 65 [studies]
Minnesota 39 [studies]
Mississippi 22 [studies]
Missouri 73 [studies]
Montana 26 [studies]
Nebraska 46 [studies]
Nevada 38 [studies]
New Hampshire 15 [studies]
New Jersey 69 [studies]
New Mexico 31 [studies]
New York 86 [studies]
North Carolina 80 [studies]
North Dakota 11 [studies]
Ohio 98 [studies]
Oklahoma 50 [studies]
Oregon 50 [studies]
Pennsylvania 82 [studies]
Rhode Island 22 [studies]
South Carolina 63 [studies]
South Dakota 13 [studies]
Tennessee 49 [studies]
Texas 110 [studies]
Utah 35 [studies]
Vermont 14 [studies]
Virginia 64 [studies]
Washington 66 [studies]
West Virginia 13 [studies]
Wisconsin 44 [studies]

Click on a [map] link to show a map of that region.

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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.