Tipsaiyas, Tussanee, Pratak O-Prasertsawat, Vichai Vajrapreechaskul, and Kamheang Chaturachinda. “Perinatal Mortality of Singleton Pregnancy at Nakhon Pathom Hospital : 1984-1987”. Thai Journal of Obstetrics and Gynaecology 2, no. 1 (January 1, 1990): 7–10. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/257893.