Outbreak of multiresistant Acinetobacter baumannii in a polyvalent intensive care unit: clinical, epidemiological analysis and PFGE-printing evolution - Monterrubio-Villar,J.; González-Velasco,C.; Valdezate-Ramos,S.; Córdoba-López,A.; Villalón-Panzano,P.; Saéz-Nieto,J.A. (Eur J Clin Microbiol Infect Dis, 2009)