Thailert, S., P. Lumbiganon, and M. Songthamwattana. “Endometriosis in Srinagarind Hospital”. Srinagarind Medical Journal, vol. 12, no. 3, Nov. 2013, pp. 129-38, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13996.