title: Invasive meningococci with reduced susceptibility to penicillin in Portugal.
authors.affiliation: Antibiotic Resistance Unit, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisboa, Portugal.
authors.forename: Eugénia
authors.initials: E
authors.lastname: Ferreira
authors.forename: Manuela
authors.initials: M
authors.lastname: Caniça
mesh_terms: D006801:Humans; D008589:Meningococcal Infections / Q000188:drug therapy / Q000453:epidemiology / Q000382:microbiology; D008826:Microbial Sensitivity Tests / Q000706:statistics & numerical data; D009345:Neisseria meningitidis / Q000187:drug effects* / Q000302:isolation & purification / Q000472:pathogenicity*; D010403:Penicillin Resistance / Q000502:physiology*; D010406:Penicillins / Q000494:pharmacology*; D011174:Portugal / Q000453:epidemiology
chemical_list: D010406:Penicillins