Impact of empirical treatment in extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella spp. bacteremia. A multicentric cohort study
Galo Peralta*, María Lamelo, Patricia Álvarez-García, María Velasco, Alberto Delgado, Juan P Horcajada, María Montero, María P Roiz, Maria C Fariñas, Juan Alonso, Luis M Martínez, Alfonso Gutiérrez-Macías, Jose A Alava, Azucena Rodríguez, Ana Fleites, Vicente Navarro, Elia Sirvent, Jose A Capdevila and on behalf of the SEMI- BLEE STUDY GROUP (members of SEMI BLEE group were listed in the acknowledgments section)