Suriya, Narongwat, and Prapap Yuthavisuthi. “Pregnancy and Perinatal Outcomes of Twin Pregnancies in Prapokklao Hospital”. Thai Journal of Obstetrics and Gynaecology 18, no. 4 (May 3, 2012): 165–171. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/1289.