Carriage of extended-spectrum beta-lactamase-plasmids does not reduce fitness but enhances virulence in some strains of pandemic E. coli lineages

by Katharina eSchaufler, Torsten eSemmler, Derek J Pickard, Maria ede Toro, Fernando ede la Cruz, Lothar H Wieler, Christa eEwers, Sebastian eGuenther
Published 2016-03-01