Agnès Waret-Szkuta*, François Roger, David Chavernac, Laikemariam Yigezu, Geneviève Libeau, Dirk U Pfeiffer and Javier Guitián
* Corresponding author: Agnès Waret-Szkuta awaret@rvc.ac.uk
BMC Veterinary Research 2008, 4:34 doi:10.1186/1746-6148-4-34
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