Manonai, J., Jirapinyo, M., Theppisai, U., Suchartwatnachai, C., Thanuntasath, C., & Preutthipun, S. (1999). Endometriosis in Infertile Women at Ramathibodi Hospital. Thai Journal of Obstetrics and Gynaecology, 11(4), 223. retrieved from https://he02.tci-thaijo.org/index.php/tjog/article/view/95034