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前已报道电镜观察SRS株的腹水瘤细胞和它的实体型瘤组织,均可看到A型和C型病毒颗粒,为了探索这些病毒颗粒的生物学活性,进行了下述研究。
It has been reported previously that electron microscopic observation of ascites tumor cells and its solid tumor tissue of SRS strains can all see virus particles of type A and type C. In order to explore the biological activity of these virus particles, the following studies have been conducted.