1. Abortion: what is the problem?;Winikoff;Lancet,2012
2. United Nations Right of everyone to the enjoyment of the highest attainable standard of physical and mental health. A/66/254 http://www.un.org/ga/search/view_doc.asp?symbol=A/66/254 2011
3. Center for Reproductive Rights The world's abortion laws http://reproductiverights.org/sites/crr.civicactions.net/files/documents/AbortionMap_2011.pdf 2011