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PTC效应
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WhichisabenefitofusingtheIBMDS8000FlashCopySE(PTC-SE)()
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PTC的描述,哪项是错误的()A、PTC是一种自上而下的胆管直接造影方法,与ERCP类似B、肝内胆管扩张时,成功率可达90%左右C、适合于较重黄疸的鉴别和病变的定位D、PTC是一项损伤性检查技术E、PTC可能会出现胆汁外漏、出血等并发症
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问答题简述PTC工作原理。
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