^ 1.01.11.21.31.41.5Weeks, A. The prevention and treatment of postpartum haemorrhage: what do we know, and where do we go to next?. BJOG : an international journal of obstetrics and gynaecology. January 2015, 122 (2): 202–10. PMID 25289730.
^GBD 2013 Mortality and Causes of Death, Collaborators. Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013.. Lancet. 17 December 2014. PMID 25530442.