Leetheeragul, J. .; Sirisomboon, R.; Pimol , K. .; Lertbunnaphong, T. .; Limsiri, P. . Incidence and Pregnancy Outcomes of Primary Postpartum Hemorrhage Following Implementation of Postpartum Drape With a Calibrated Bag After Normal Vaginal Delivery. Siriraj Med J 2020, 72, 219-225.