Abstract Background Animal models of human diseases are often used in biomedical research in place of human subjects. However. results obtained by animal models may fail to hold true for humans. One way of addressing this problem is to make animal models more similar to humans by placing human tissue into animal models. https://www.roneverhart.com/Mauri-Scenic-Men-s-Designer-Shoes-Gerbera-Red-Exotic-Ostrich-Loafers-3405-MA5118/