Lamfel, R. “Early Online: A Randomised Trial Comparing Preoperative Administration of Single-Dose Kefazolin to Kefazolin Plus Metronidazole As Prophylactic Antibiotics at Caesarean Section”. South African Medical Journal 114, no. 5 (May 31, 2024). Accessed April 19, 2026. https://samajournals.co.za/index.php/samj/article/view/2281.