title: Proficiency of Spanish laboratories in detecting vancomycin-resistant enterococci.
authors.forename: J L
authors.initials: JL
authors.lastname: Pérez
authors.forename: J
authors.initials: J
authors.lastname: Ayats
authors.forename: C
authors.initials: C
authors.lastname: Gimeno
mesh_terms: D013293:Enterococcus faecalis / Q000187:drug effects* / Q000302:isolation & purification*; D016908:Gram-Positive Bacterial Infections / Q000382:microbiology*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011786:Quality Control; D013030:Spain; D020713:Vancomycin Resistance