Sugawara, Teruo, Koichi Honke, Akita Makita, and Seiichiro Fujimoto. 1995. “Elevation of Serum Steroid Sulfatase Level in Gynecologic cancers”. Thai Journal of Obstetrics and Gynaecology 7 (1). Bangkok, Thailand:33-40. https://he02.tci-thaijo.org/index.php/tjog/article/view/257764.