Chawanpaiboon, Saifon, and Anuwat Sutantawibul. 2012. “Mode of Delivery at Siriraj Hospital: A Ten-Year Review (2001-2010)”. Thai Journal of Obstetrics and Gynaecology 19 (4). Bangkok, Thailand:181-92. https://he02.tci-thaijo.org/index.php/tjog/article/view/1221.