Shirah, B. H., and H. A. Shirah. “Wound Infection in Non-Perforated Acute Appendicitis- Single Dose Preoperative Antibiotics Vs. Prophylactic Postoperative Antibiotics: Does It Make Any Difference?”. International Journal of Research in Medical Sciences, vol. 4, no. 1, Dec. 2016, pp. 225-30, doi:10.18203/2320-6012.ijrms20160035.