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自1955年Lawrence提出转移因子(TF)的作用以来,大量实验和临床研究表明:TF是白细胞中一种分子量在3500～5000之间的小分子化合物。目前国内生产和临床使用的TF并非单一物质。实际上是白细胞的分
Since Lawrence proposed the role of transfer factor (TF) in 1955, a large number of experimental and clinical studies have shown that TF is a small molecule compound in white blood cells with a molecular weight of 3500-5000. The current domestic production and clinical use of TF is not a single substance. Is actually a white blood cell points