Jiratchaya Kleebsuwan และ Chanya Thamrongwuttikul; Watcharin Chirdchim. (2019) Comparison of Vaginal pH between Bacterial Vaginosis and Non-bacterial Vaginosis in Preterm Labour. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>27</i>(1), 6-12.Jiratchaya Kleebsuwan และ Chanya Thamrongwuttikul; Watcharin Chirdchim. "Comparison of Vaginal pH between Bacterial Vaginosis and Non-bacterial Vaginosis in Preterm Labour". Thai Journal of Obstetrics and Gynaecology 27 (2019):6-12.Jiratchaya Kleebsuwan และ Chanya Thamrongwuttikul; Watcharin Chirdchim. Comparison of Vaginal pH between Bacterial Vaginosis and Non-bacterial Vaginosis in Preterm Labour. PIMDEE Co. Ltd.:ม.ป.ท. 2019.