Wilailak, S., D. D Im, R. E Bristow, S. Kuntolbutra, and N. B Rosenshein. “Uterine Leiomyosarcoma : Multivariate Analysis of Survival Determinants”. Thai Journal of Obstetrics and Gynaecology, vol. 9, no. 3, Sept. 1997, pp. 189-95, https://he02.tci-thaijo.org/index.php/tjog/article/view/257247.