Title:Phylogenetically related Argentinean and Australian Escherichia coli O157 isolates are distinguished by virulence clades and alternative shiga toxin 1 and 2 prophages
Title:The caudal bursa in the Heligmonellidae (Nematoda: Trichostrongylina): Characterization and hypothesis on its evolution / Le pattern de la bourse caudale chez les Heligmonellidae (Nematoda: Trichostrongylina): Caractérisation et hypothèse sur son évolution