1World Health Organization Collaborating Centre for DrugStatistics Methodology.Anatomical Therapeutic Chemical(ATC)Classification System:Guidelines for ATC classification and DDDassignment[EB/OL].Available at:http://www.whocc.no/atcddd.
2Davis H,Hryson HM.Levofloxacin:a review of its antibacterialactivity,pharmacokinetics and therapeutic efficacy[J].Drugs,1994,47(3):677.
