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经足掌、肌肉、皮下三种途径给C_(57)BL/6小鼠接种Lewis肺癌细胞,建立自发肺转移模型。结果发现,足掌和肌肉注射易形成肺转移,且结节数较多。一般随荷
C57BL/6 mice were inoculated with Lewis lung cancer cells via paw, muscle, and subcutaneous routes to establish a spontaneous lung metastasis model. It was found that paw metastasis and intramuscular injection were prone to lung metastasis and there were more nodules. Generally with the charge