Coolen, M. & Sauka-Spengler, T. & Nicolle, D. & Le-Mentec, C. & Lallemand, Y. & da Silva, C. & Plouhinec, J.-L. & Robert, B. & Wincker, P. & Shi, D.-L. & Mazan, S. (2007)
Evolution of axis specification mechanisms in jawed vertebrates: insights from a chondrichthyan. PLoS ONE, 2(4), Article e374
DOI: 10.1371/journal.pone.0000374