A Double Fail-Safe Approach to Prevent Tumorigenesis and Select Pancreatic β Cells from Human Embryonic Stem Cells oleh Mirza Muhammad Fahd Qadir, Silvia Álvarez-Cubela, Kinsley Belle, Tamar Sapir, Fanuel Messaggio, Kevin B. Johnson, Oliver Umland, Darrell Hardin, Dagmar Klein, Ingrid Pérez-Álvarez, Fatima Sadiq, Oscar Alcázar, Luca A. Inverardi, Camillo Ricordi, Peter Buchwald, Christopher A. Fraker, Ricardo L. Pastori, Juan Domínguez-Bendala