Karl-Werner , Schweppe. 1998. “Current Place of GnRH-Analogues in The Medical Therapies of Endometriosis With Special Reference to Postoperative Treatment”. Thai Journal of Obstetrics and Gynaecology 10 (2). Bangkok, Thailand:117-29. https://he02.tci-thaijo.org/index.php/tjog/article/view/257101.