Nuamsiri, Thitipun, and Kasemsis Kaewkiattikun. 2016. “Prevention of Postpartum Hemorrhage with Oxytocin versus Ergometrine Plus Oxytocin in the third stage of labor”. Thai Journal of Obstetrics and Gynaecology 24 (2). Bangkok, Thailand:97-103. https://doi.org/10.14456/tjog.2016.12.