Causes of and risk factors for postpartum haemorrhage: a systematic review and meta-analysis
Yunas I., Islam MA., Sindhu KN., Devall AJ., Podesek M., Alam SS., Kundu S., Mammoliti K-M., Aswat A., Price MJ., Zamora J., Oladapo OT., Gallos I., Coomarasamy A.