Chamberlain J., Yamagami T., Colletti E., Theise N. D., Desai J., Frias A. M., Pixley J., Zanjani E. D., Porada C. D., and Almeida-Porada G.,  "Efficient generation of human hepatocytes by intrahepatic delivery of clonal human mesenchymal stem cells in fetal sheep",  Hepatology, vol. 46, pp. 1935-1945, 2007.