Zhou Y, Mack DL, Williams JK, Mirmalek-Sani SH, Moorefield E, Chun SY, Wang J, Lorenzetti D, Furth M, Atala A, Soker S. Genetic modification of primate amniotic fluid-derived stem cells produces pancreatic progenitor cells in vitro. Cells Tissues Organs. 2013; 197(4):269-82.