The first CT scanner in North America was installed at the Mayo Clinic in Rochester, MN in 1972.

在北美的第一个CT扫描仪被安装在明尼苏达州罗切斯特的梅奥诊所，于1972年。

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Those championing the effort on the floor of the Senate are Amy Klobuchar (D-MN) , Richard Blumenthal (D-CT) and Mike Lee (R-UT) who introduced the Wireless Consumer Choice Act this afternoon.

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