Kleebsuwan, Jiratchaya, Chanya Thamrongwuttikul, and Watcharin Chirdchim. “Comparison of Vaginal pH between Bacterial Vaginosis and Non-bacterial Vaginosis in Preterm Labour”. Thai Journal of Obstetrics and Gynaecology 27, no. 1 (March 31, 2019): 6–12. accessed September 24, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/91501.