Chawanpaiboon, Saifon, Siripong Sawasdimongkol, Saruttaya Rongroen, Suporn Worapitaksanond, and Kanokphorn Phopathom. “Comparison of Risk Factors and Outcome of Delivery between Preterm and Term Delivery: 1-Year Study (2008 BE) at Siriraj Hospital”. Thai Journal of Obstetrics and Gynaecology 17, no. 3 (May 23, 2012): 155–162. accessed September 11, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/1617.