1. Global causes of maternal death: a WHO systematic analysis;Say;Lancet Glob Health,2014
2. Trends in maternal mortality: 2000 to 2017: estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division,2019
3. Standard medical therapy for postpartum hemorrhage;Unterscheider,2012
4. Uterotonic agents for preventing postpartum haemorrhage: a network meta-analysis;Gallos;Cochrane Database Syst Rev,2018
5. Oxytocin for labour and caesarean delivery: implications for the anaesthesiologist;Dyer;Curr Opin Anaesthesiol,2011