Nature (2006) - Comments
pubmed: 16572177  doi: 10.1038/nature04585  issn: 1476-4687  issn: 0028-0836 

---

Susana Gonzalez, Peter Klatt, Sonia Delgado, Esther Conde, Fernando Lopez-Rios, Montserrat Sanchez-Cespedes, Juan Mendez, Francisco Antequera, Manuel Serrano