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243 Studies found for: every 12 hours | Mexico

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Map Legend
Region Name Number of Studies
World [map] 243
North America 243
United States 141 [studies]
Alabama 69 [studies]
Alaska 2 [studies]
Arizona 65 [studies]
Arkansas 34 [studies]
California 115 [studies]
Colorado 62 [studies]
Connecticut 42 [studies]
Delaware 20 [studies]
District of Columbia 15 [studies]
Florida 104 [studies]
Georgia 69 [studies]
Hawaii 5 [studies]
Idaho 22 [studies]
Illinois 68 [studies]
Indiana 59 [studies]
Iowa 21 [studies]
Kansas 34 [studies]
Kentucky 43 [studies]
Louisiana 47 [studies]
Maine 16 [studies]
Maryland 50 [studies]
Massachusetts 58 [studies]
Michigan 61 [studies]
Minnesota 37 [studies]
Mississippi 21 [studies]
Missouri 70 [studies]
Montana 24 [studies]
Nebraska 42 [studies]
Nevada 37 [studies]
New Hampshire 15 [studies]
New Jersey 67 [studies]
New Mexico 26 [studies]
New York 82 [studies]
North Carolina 76 [studies]
North Dakota 11 [studies]
Ohio 95 [studies]
Oklahoma 46 [studies]
Oregon 48 [studies]
Pennsylvania 79 [studies]
Rhode Island 21 [studies]
South Carolina 62 [studies]
South Dakota 11 [studies]
Tennessee 47 [studies]
Texas 106 [studies]
Utah 34 [studies]
Vermont 14 [studies]
Virginia 59 [studies]
Washington 62 [studies]
West Virginia 12 [studies]
Wisconsin 43 [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.