Pegylated derivatives of recombinant human arginase (rhArg1) for sustained in vivo activity in cancer therapy: preparation, characterization and analysis of their pharmacodynamics in vivo and in vitro and action upon hepatocellular carcinoma cell (HCC)

聚乙二醇化重组人精氨酸酶（rhArg1）衍生物在癌症治疗中持续体内活性的研究：制备、表征、体内外药效学分析及其对肝细胞癌细胞（HCC）的作用