Boonchuan, Kanittha, Kanokwaroon Wattananirun, and Dittakarn Boriboonhirunsarn. “Incidence of Intrapartum Abnormal Fetal Heart Rate Pattern in Siriraj Hospital”. Thai Journal of Obstetrics and Gynaecology 26, no. 1 (March 30, 2018): 18–26. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/89649.