Wilailak, S., A.- aroon Tansuttiwong, and S. Tangtrakul. “Uterine Sarcomas in Ramathibodi Hospital (1987-1998)”. Thai Journal of Obstetrics and Gynaecology, vol. 12, no. 3, July 2000, pp. 241-6, https://he02.tci-thaijo.org/index.php/tjog/article/view/256794.