1. World Health Organisation: Maternal mortality in 2005: estimates developed by WHO, UNICEF, UNFPA and the World Bank. 2007, Geneva: WHO
2. World Health Organisation: Reducing maternal deaths: a challenge for the new millennium in the African Region. 2005, Brazzaville: WHO Regional Office for Africa, Brazzaville, Congo
3. World Health Organisation: Beyond the Numbers: reviewing maternal deaths and complications to make pregnancy safer. 2004, Geneva: Department of Reproductive Health and Research, WHO
4. Papworth S, Cartridge P: Learning from adverse events – the role of confidential enquiries. Seminars in Fetal and Neonatal Medicine. 2005, 10: 39-43. 10.1016/j.siny.2004.09.013.
5. Supratikto G, Wirth ME, Achadi E, Cohen S, Ronsman C: A district based audit of the causes and circumstances of maternal deaths in South Kalimantan, Indonesia. Bull World Health Organ. 2002, 80 (3): 228-234.