1. Antimicrobial prophylaxis in surgery. Committee on Antimicrobial Agents, Canadian Infectious Disease Society;TK Waddell;CMAJ,1994
2. Health Care-Associated Infections: Major Issues in the Early Years of the 21st Century;RP Wenzel;Clin Infect Dis,2007
3. Health and economic impact of surgical site infections diagnosed after hospital discharge;EN Perencevich;Emerg Infect Dis,2003
4. Clinical Practice Guidelines for Antimicrobial Prophylaxis in Surgery;DW Bratzler;Best Pract Hosp Heal Pharm,2013
5. FMHACA. Standard Treatment Guidelines For General Hospital: Good Prescribing & Dispensing Practices for Better Health Outcomes. third edit. Addis Ababa; 2014. 13–15 p.