Proceedings of the National Academy of Sciences (2010) - Comments
pubmed: 20018721  doi: 10.1073/pnas.0908428107  issn: 1091-6490  issn: 0027-8424 

---

Jennifer P. Morton, Paul Timpson, Saadia A. Karim, Rachel A. Ridgway, Dimitris Athineos, Brendan Doyle, Nigel B. Jamieson, Karin A. Oien, Andrew M. Lowy, Valerie G. Brunton, Margaret C. Frame, T. R. Jeffry Evans, Owen J. Sansom