Pengsaa, P., Udomthavornsuk, B., & Hemfling, A. (1990). Prognostic Factors for Survival after Surgery for Early Stages Cervical Cancer. Thai Journal of Obstetrics and Gynaecology, 2(1), 29–36. retrieved from https://he02.tci-thaijo.org/index.php/tjog/article/view/257897