Ashraf-Khorasani, M., Ziai, S.A. and Pouriran, R. 2019. knowledge, Attitude and Practice of Rational usage of antibiotics for Preoperative Prophylaxis Among Surgeons in Shahid Beheshti University of Medical Sciences hospitals in 2014. Student Research in Translational Medicine. 1, 1 (Dec. 2019), 9–12. DOI:https://doi.org/10.22037/smsj.v1i1.28322.