Phylogenetic relationship of equine Actinobacillus species and distribution of RTX toxin genes among clustersPeter Kuhnert, Hélène Berthoud, Henrik Christensen, Magne Bisgaard and Joachim FreyVet. Res., 34 3 (2003) 353-359DOI: https://doi.org/10.1051/vetres:2003010