Journal Article
Wullimann, M. F.; Rink, E.; Vernier, P.; Schlosser, G.: Secondary neurogenesis in the brain of the African clawed frog, Xenopus laevis, as revealed by PCNA, Delta-1, Neurogenin-related-1, and NeuroD expression. The Journal of Comparative Neurology
489 (3), pp. 387 - 402 (2005)