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The U.S. Government and the future of international medical research : hearings before the Subcommittee on Reorganization and International Organizations of the Committee on Government Operations, United States Senate, eighty-sixth congress, first session ; international health study (pursuant to S. Res. 347, 85th Cong., S. Res. 42, and S. Res. 255, 86th Cong.) July 9 and 16, 1959. Public Domain Mark. Source: Wellcome Collection.