bacteremia bacteriemia 6 Bacteremia 2 Bacterial Proteins 2 Bacteriological Techniques 2 Carbohydrate Metabolism 2 Citrobacter 2 Citrobacter freundii 2 Classification 2 Community-Acquired Infections 2 Cross Infection 2 Distributions 2 Enterobacter infection 2 Enterobacteriaceae Infections 2 Enzymes 2 Feces 2 Hospitals, University 2 Humans 2 Identification 2 Opportunistic Infections 2 Retrospective Studies 2 Sensitivity and Specificity 2 Spain 2 Species Specificity 2 Surgical Wound Infection 2 Urinary Tract Infections 2 article 2 bacterial protein 2 carbapenemasas 2 carbapenemases 2