Physiological role of the cellular prion protein Viviana Zomosa-Signoret, Jacques-Damien Arnaud, Pascaline Fontes, Maria-Terresa Alvarez-Martinez and Jean-Pierre Liautard Vet. Res., 39 4 (2008) 09 Published online: 27 November 2007 DOI: 10.1051/vetres:2007048