Teamwork for Mankind's Well-being; Report of Senator Hubert H. Humphrey Based on Conferences in Europe in November and December 1958, and on Subsequent Review Preceding the 12th World Health Assembly, May 1959; Prepared for the Committee on Government Operations, U.S. Senate and Its Subcommittee on Reorganization and International Organizations (pursuant to S. Res. 347, 85th Congress, and S. Res. 42, 86th Congress), May 11, 1959