Prayoonhong, S., S. Ratchanon, T. Thavaramara, and S. Poopipatpab. “Preemptive Intramuscular Diclofenac for Pain Relief after Total Abdominal Hysterectomy”. Thai Journal of Obstetrics and Gynaecology, vol. 21, no. 4, Dec. 2013, pp. 176-81, https://he02.tci-thaijo.org/index.php/tjog/article/view/12067.