Mithala, S., K. Sukonpan, and C. Chunlaphakhee. “The Comparison of Blood Loss After Vaginal Delivery Between Placental Cord Drainage and Cord Clamping Before Placental Delivery in Buddhachinaraj Phitsanulok Hospital”. Thai Journal of Obstetrics and Gynaecology, vol. 26, no. 1, Mar. 2018, pp. 34-41, doi:10.14456/tjog.2018.8.