以下为句子列表：
英文: A new imaging agent that homes in on the gummy plaques and tangles that jam up the brains of Alzheimer patients has allowed doctors to see the disease in a living person for the first time, researchers said Wednesday.
中文: 本周三，研究人员说，一种能瞄准阿尔茨海默氏病患者脑损伤混乱团的造影剂，使医生首次能在患者活着时就了解病变情况。
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英文: THE RESEARCH OF PREPARING METHODOLOGY AND PHARMACOKINETICS FOR A NOVEL MYOCARDIAL PERFUSION IMAGING AGENT 99 Tc m\|Q\-3
中文: 心肌灌注显像剂~(99)Tc~m-Q_3的制备方法学和药代动力学研究
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