Bethan V. Lowder, Caitriona M. Guinane, Nouri L. Ben Zakour, Lucy A. Weinert, Andrew Conway-Morris, Robyn A. Cartwright, A. John Simpson, Andrew Rambaut, Ulrich Nübel, J. Ross Fitzgerald
Proc Natl Acad Sci U S A. 2009 Nov 17; 106(46): 19545–19550. Published online 2009 Nov 2. doi: 10.1073/pnas.0909285106