Abstract Background Listeria monocytogenes is a highly versatile bacterial copyright system for introducing protein. DNA and RNA into mammalian cells. The delivery of tumor antigens with the help of this copyright into tumor-bearing animals has been successfully carried out previously and it was recently reported that L. monocytogenes is able to colonize and replicate within solid tum... https://allfixelectricales.shop/product-category/vacuum-cloth-bag/