L. Chookijkul, S. Prommas, P. Pariyawateekul, N. Orungrote, B. Smanchat, and K. Suwannarurk, “Cesarean Section Rate in Oxytocin Infusion between Continuous Until Delivery and Discontinuation at Active Phase of Labor: a Randomized Controlled Study”, Thai J Obstet Gynaecol, vol. 24, no. 2, pp. 73–80, Jun. 2016.