| http://www.w3.org/ns/prov#value | - The total number of CTs and the proportion of those investigating drugs, devices, or other interventions were similar between trials performed in the United States and those in the European Union, but a higher proportion of EBL trials were performed in the United States compared with the European Union (24/105 [22.9%] vs 11/96 [11.5%]; P = .03).
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