Thanukrit, Tharangrut, Verapol Chandeying, and Jitti Hanprasertpong. 2017. “Single Dose Versus 24-Hour-Dose Intravenous Ampicillin in Prophylaxis of Febrile Morbidity in Abdominal Hysterectomy: A Randomized Controlled Trial”. Thai Journal of Obstetrics and Gynaecology 15 (2). Bangkok, Thailand:101-5. https://he02.tci-thaijo.org/index.php/tjog/article/view/82720.