IGF1-mediated human embryonic stem cell self-renewal recapitulates the embryonic niche oleh Sissy E. Wamaitha, Katarzyna J. Grybel, Gregorio Alanis-Lobato, Claudia Gerri, Sugako Ogushi, Afshan McCarthy, Shantha K. Mahadevaiah, Lyn Healy, Rebecca A. Lea, Miriam Molina-Arcas, Liani G. Devito, Kay Elder, Phil Snell, Leila Christie, Julian Downward, James M. A. Turner, Kathy K. Niakan