title: High frequency of reduced susceptibility to penicillin in serogroup 29E meningococci.
authors.forename: L
authors.initials: L
authors.lastname: Arreaza
authors.forename: J A
authors.initials: JA
authors.lastname: Vázquez
mesh_terms: D008589:Meningococcal Infections / Q000188:drug therapy* / Q000382:microbiology; D008826:Microbial Sensitivity Tests; D009345:Neisseria meningitidis / Q000145:classification / Q000187:drug effects* / Q000235:genetics; D010403:Penicillin Resistance; D012703:Serotyping