A randomized, open, multicenter clinical study on the short course of intravenous infusion of 750 mg of levofloxacin and the sequential standard course of intravenous infusion/oral administration of 500 mg of levofloxacin for treatment of community-acquired pneumoniaTiemei Zhao, You-ning Liu, Liangan Chen et al.|Journal of Thoracic Disease|2016Cited by 18