На Вашем месте я бы поступил иначе.
 Stocks of stem cells. 88.Liu J., Han G., Liu H., <a href=https://StemCellTherapyInCanada.com/>https://StemCellTherapyInCanada.com/</a>, Qin S. Suppression of cholangiocarcinoma cell growth by human umbilical cord mesenchymal stem cells: a possible role of wnt and akt signaling.