In the present work,we report the growth of all-inorganic perovskite nanorings with dual compositional phases of CsPbBr3......

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目的评价PET/CT双时相显像对胰腺良恶性病变鉴别诊断的应用价值。方法对81例胰腺恶性病变和41例胰腺良性病变行18F-FDG PET/CT常规......