1. Sperryville VA. Antimicrobial therapy. Sanford guide to antimicrobial therapy. 43th edn. Antimicrobial Therapy Poc Press; 2013.
2. Antimicrobial agents-associated with QT interval prolongation;Bril;Curr Drug Saf,2010
3. FDA Drug Safety Communication. Azithromycin (Zithromax or Zmax) and the risk of potentially fatal heart rhythms; 2013. Database: figshare [Internet]. Accessed :http://www.fda.gov/drugs/drugsafety/ucm341822.html.
4. Associations between initial antimicrobial therapy and medical outcomes for hospitalized elderly patients with pneumonia;Gleason;Arch Intern Med,1999
5. Impact of guideline-concordant empiric antibiotic therapy in community-acquired pneumonia;Frei;Am J Med,2006