Belachew , J., Eurenius , K., Mulic-Lutvica , A., & Axelsson , O. (2017). Placental location, postpartum hemorrhage and retained placenta in women with a previous cesarean section delivery: a prospective cohort study. Upsala Journal of Medical Sciences, 122(3), 185–189. https://doi.org/10.1080/03009734.2017.1356405