TY - JOUR AU - Lamelo Otero, María Clementina AU - Álvarez García, Patricia María PY - 2012 SN - 1471-2334 UR - http://hdl.handle.net/20.500.11940/7400 LA - eng TI - Impact of empirical treatment in extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella spp. bacteremia. A multicentric cohort study DO - 10.1186/1471-2334-12-245 T2 - BMC INFECTIOUS DISEASES VL - 12 ER -