1. ANA 2001 Code of ethics for nurses with interpretive statements http://www.nursingworld.org/MainMenuCategories/EthicsStandards/CodeofEthicsforNurses/Code-of-Ethics.pdf
2. CNA 2013 Evidence-informed decision-making and nursing practice http://www.cna-aiic.ca/sitecore%20modules/web/~/media/cna/page%20content/pdf%20fr/2013/07/26/10/48/ps113_evidence_informed_2010_e.pdf#search=%22evidence-informed
3. DH 2005 Research governance framework for health and social care, 2 nd edn https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/139565/dh_4122427.pdf