1. Directive, Council (1993) 93/42/EEC of 14 June 1993 concerning medical devices, pp 1–46.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri= CONSLEG:1993L0042:20071011:en:PDF
2. FDA (2007) Title 21 Food and Drugs Chapter I Food and Drug Administration Department of Health and Human Services Subchapter H Medical Devices Part 820 Quality System Regulation. U.S. Department of Health and Human Services.
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?CFRPart=820
. Accessed Sept 2016
3. ISO 13485 (2003) Medical devices-quality management systems-requirements for regulatory purposes. International Organization for Standardization, Geneva
4. Association for the Advancement of Medical Instrumentation (2007) Medical devices: application of risk management to medical devices. Association for the Advancement of Medical Instrumentation
5. International Electrotechnical Commission (2006) Medical device software: software life cycle processes. IEC