Jivangkul, C., Charoenchainont, P., Leelahakorn, S., Hanidhikul, P., & Sripramote, M. (2017). Ultrasonographic Scoring System for Preoperative Discrimination Between Benign and Malignant Ovarian Tumors. Thai Journal of Obstetrics and Gynaecology, 14(3), 231. retrieved from https://he02.tci-thaijo.org/index.php/tjog/article/view/92485