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本文对两株荷瘤６１５小鼠的自然杀伤细胞（ＮＫ）活性及淋巴细胞分裂原反应进行了动态观察，结果显示，同源但不同淋巴道转移力的两株瘤细胞免疫原性具有一定差异，且与其浸润、转移相关
In this paper, the natural killer cell (NK) activity and lymphocyte mitogen response in two tumor-bearing 615 mice were dynamically observed. The results showed that the immunogenicity of the two tumor cells with homologous but different lymphatic metastasis power differed. , and related to infiltration and metastasis