Materials and Methods Feridex was mixed with poly left lysine (PLL) to obtain a complex of feridex PLL.
材料与方法菲立 磁与 多聚左旋赖氨酸（PLL）混合制备菲立 磁-PLL复合物。
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Objective To explore the evaluation of contrast-enhanced MR using Feridex in the diagnosis of macroregenerative nodules and their early malignant transformation in cirrhotic livers.