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42186 Studies found for: during AND before

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Map Legend
Region Name Number of Studies
World [map] 42,186
North America 17,856
United States 15,698 [studies]
Alabama 1,392 [studies]
Alaska 97 [studies]
Arizona 1,584 [studies]
Arkansas 741 [studies]
California 4,361 [studies]
Colorado 1,724 [studies]
Connecticut 1,140 [studies]
Delaware 252 [studies]
District of Columbia 699 [studies]
Florida 3,090 [studies]
Georgia 2,053 [studies]
Hawaii 226 [studies]
Idaho 476 [studies]
Illinois 2,329 [studies]
Indiana 1,332 [studies]
Iowa 702 [studies]
Kansas 959 [studies]
Kentucky 1,055 [studies]
Louisiana 1,068 [studies]
Maine 267 [studies]
Maryland 2,787 [studies]
Massachusetts 2,565 [studies]
Michigan 1,983 [studies]
Minnesota 1,499 [studies]
Mississippi 444 [studies]
Missouri 1,933 [studies]
Montana 356 [studies]
Nebraska 827 [studies]
Nevada 705 [studies]
New Hampshire 345 [studies]
New Jersey 1,493 [studies]
New Mexico 516 [studies]
New York 3,559 [studies]
North Carolina 2,758 [studies]
North Dakota 250 [studies]
Ohio 2,727 [studies]
Oklahoma 982 [studies]
Oregon 1,211 [studies]
Pennsylvania 2,921 [studies]
Rhode Island 516 [studies]
South Carolina 1,376 [studies]
South Dakota 274 [studies]
Tennessee 1,855 [studies]
Texas 3,624 [studies]
Utah 1,068 [studies]
Vermont 270 [studies]
Virginia 1,669 [studies]
Washington 1,734 [studies]
West Virginia 329 [studies]
Wisconsin 1,067 [studies]
Wyoming 49 [studies]

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