A multicenter, randomized study comparing the efficacy and safety of intravenous and/or oral levofloxacin versus ceftriaxone and/or cefuroxime axetil in treatment of adults with community-acquired pneumonia. - File Jr,T.M.; Segreti,J.; Dunbar,L.; Player,R.; Kohler,R.; Williams,R.R.; Kojak,C.; Rubin,A. (Antimicrob Agents Chemother, 1997)