Hanprasertpong, Jitti, and Tharangrut Hanprasertpong. “Effects of Cigarette Smoking on Pregnancy Outcomes”. Thai Journal of Obstetrics and Gynaecology 32, no. 6 (February 11, 2025): 425–428. accessed September 25, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/271413.