S. A.  Fietz, Kelava, I., Vogt, J., Wilsch-Bräuninger, M., Stenzel, D., Fish, J. L., Corbeil, D., Riehn, A., Distler, W., Nitsch, R., and , ?OSVZ Progenitors of Human and Ferret Neocortex are Epithelial-like and Expand by Integrin Signaling?, vol. 13, pp. 690-699, 2010.