1. International Federation of Gynecology and Obstetrics (FIGO) FIGO LOGIC initiative in maternal and newborn health www.figo.org/projects/LOGIC_initiative
2. Healthcare Quality Improvement Partnership Review of ethics issues related to clinical audit and quality improvement activities http://www.hqip.org.uk/assets/Downloads/Ethics-and-Clinical-Audit-and-Quality-Improvement-Literature-Review.pdf
3. Maternal death surveillance and response;Danel;Bull World Health Organ,2011