1. World Health Organisation: European Observatory on Health Systems and Policies Health Evidence Network 2011 http://www.who.int/evidence/en/
2. Nursing Midwifery Council The Code: Professional standards of practice and behaviour for nurses and midwives 2015 https://www.nmc.org.uk/globalassets/sitedocuments/nmc-publications/nmc-code.pdf
3. Australian Nursing and Midwifery Council Code of Professional Conduct for Nurses in Australia 2013 http://www.nursingmidwiferyboard.gov.au/Codes-Guidelines-Statements/Professional-standards.aspx
4. International Council of Nurses Closing the Gap: From Evidence to Action 2012 http://www.icn.ch/publications/2012-closing-the-gap-from-evidence-to-action/