摘要笔者有幸于2008年至2009年底，分别在美国费城天普大学（Temple University）和托马斯杰斐逊大学（Thomas Jefferson University）作为访问学者及客座研究员一年余，期间亦参观访问了宾夕法尼亚大学医学院等多所大学、医院的放射科，深感中美在医学超声领域的差异较大，浅谈如下：
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