Bovine herpesvirus 1 infection and infectious bovine rhinotracheitis Benoît Muylkens, Julien Thiry, Philippe Kirten, Frédéric Schynts and Etienne Thiry Vet. Res., 38 2 (2007) 181-209 Published online: 25 January 2007 DOI: 10.1051/vetres:2006059