Kayani, Ziyad Afzal, Sarmud Latif Awan, Muhammad Arshad Abbasi, Irum Gilani, Naheed Akhtar, and Farzana Sabir. 2019. “Role of Prophylactic Antibiotics in Clean Surgery”. Pakistan Journal of Physiology 15 (2):38-40. https://pjp.pps.org.pk/index.php/PJP/article/view/1086.