WeeksADMirembeFM. The retained placenta — new insights into an old problem. Eur J Obstet Gynecol Repro Biol2002;102:109–10.
2.
CarroliGBergelE. Umbilical vein injection for management of retained placenta (Cochrane Review). In: The Cochrane Library, Issue 2 (Update Software, Oxford, 2002).
3.
PurwarMB. Practical recommendations for umbilical vein injection for management of retained placenta. In: The WHO Reproductive Health Library, No 5. Geneva: World Health Organization, 2002.
4.
PipingasAHofmeyrGJSeselKR. Umbilical vessel oxytocin administration for retained placenta: in-vitro study of various infusion techniques. Am J Obstet Gynecol1993;168:793–5.
5.
WeeksAD. The retained placenta. Afr J Health Sci2001;1:36–41.