T. Thanukrit, V. Chandeying, and J. Hanprasertpong, “Single Dose Versus 24-Hour-Dose Intravenous Ampicillin in Prophylaxis of Febrile Morbidity in Abdominal Hysterectomy: A Randomized Controlled Trial”, Thai J Obstet Gynaecol, vol. 15, no. 2, pp. 101–105, Apr. 2017.