title: Resistance to levofloxacin and failure of treatment of pneumococcal pneumonia.
authors.forename: Glenn S
authors.initials: GS
authors.lastname: Tillotson
authors.forename: Xilin
authors.initials: X
authors.lastname: Zhao
authors.forename: Karl
authors.initials: K
authors.lastname: Drlica
mesh_terms: D000890:Anti-Infective Agents / Q000627:therapeutic use*; D024881:Drug Resistance, Bacterial / Q000235:genetics*; D006801:Humans; D064704:Levofloxacin; D015242:Ofloxacin / Q000627:therapeutic use*; D011008:Pneumococcal Infections / Q000188:drug therapy*; D013296:Streptococcus pneumoniae / Q000187:drug effects* / Q000235:genetics*
chemical_list: D000890:Anti-Infective Agents; D064704:Levofloxacin; D015242:Ofloxacin