恶性肿瘤病人与动物实验性肿瘤注射内毒素后,其肿瘤可发生坏死现象。引起肿瘤坏死的成分存在于血中,称为“肿瘤坏死因子”(TNF)。实验证明,人的单核细胞被 Malignant tumor patients and animals Experimental tumor injection of endotoxin, the tumor necrosis can occur. The components that cause tumor necrosis are present in the bloodstream, known as “tumor necrosis factor” (TNF). Experiments show that human monocytes are