Try the modernized beta website. Learn more about the modernization effort.
Working… Menu
Open or close the search fields display
498 Studies found for: methylphenidate

A similar map is available for all studies in

Click on the map below to show a more detailed map (when available) or search for studies (when map not available).

Map Legend
Region Name Number of Studies
World [map] 498
North America 273
United States 249 [studies]
Alabama 5 [studies]
Arizona 11 [studies]
Arkansas 15 [studies]
California 49 [studies]
Colorado 11 [studies]
Connecticut 10 [studies]
Delaware 1 [studies]
District of Columbia 1 [studies]
Florida 40 [studies]
Georgia 15 [studies]
Idaho 4 [studies]
Illinois 19 [studies]
Indiana 10 [studies]
Iowa 4 [studies]
Kansas 11 [studies]
Kentucky 15 [studies]
Louisiana 4 [studies]
Maryland 28 [studies]
Massachusetts 44 [studies]
Michigan 18 [studies]
Minnesota 6 [studies]
Mississippi 2 [studies]
Missouri 9 [studies]
Montana 1 [studies]
Nebraska 12 [studies]
Nevada 25 [studies]
New Hampshire 2 [studies]
New Jersey 18 [studies]
New Mexico 2 [studies]
New York 46 [studies]
North Carolina 35 [studies]
North Dakota 8 [studies]
Ohio 43 [studies]
Oklahoma 11 [studies]
Oregon 19 [studies]
Pennsylvania 24 [studies]
Rhode Island 4 [studies]
South Carolina 13 [studies]
South Dakota 2 [studies]
Tennessee 15 [studies]
Texas 46 [studies]
Utah 10 [studies]
Vermont 5 [studies]
Virginia 13 [studies]
Washington 19 [studies]
Wisconsin 4 [studies]
Wyoming 1 [studies]

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

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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.