Oh, Ai Ling, Leh Min Goh, Nik Abdullah Nik Azim, Chee Sian Tee, and Chee Wei Shehab Phung. 2014. “Antibiotic Usage in Surgical Prophylaxis: A Prospective Surveillance of Surgical Wards at a Tertiary Hospital in Malaysia”. The Journal of Infection in Developing Countries 8 (02):193-201. https://doi.org/10.3855/jidc.3076.