1. Treatment for primary postpartum haemorrhage;Mousa;Cochrane Database Syst. Rev.,2014
2. Van look PF. WHO analysis of causes of maternal death: a systematic review;Khan;Lancet.,2006
3. WHO recommendations: Uterotonics for the prevention of postpartum haemorrhage,2018
4. Management of Postpartum Haemorrhage (PPH) New College Statement;Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG),2011
5. Prevention and management of postpartum haemorrhage;Mavrides;BJOG,2016