Tangwongwan, Patcharin, Surang Phandhu-fung, and Amornrath Podhipak. 2017. “Method of Placental Delivery and Postcesarean Endometritis”. Thai Journal of Obstetrics and Gynaecology 15 (1). Bangkok, Thailand:9-14. https://he02.tci-thaijo.org/index.php/tjog/article/view/82766.