1. Outline of PMDA. www.pmda.go.jp/english/about/history.html. Accessed 18 Oct 2012.
2. http://www.imdrf.org/docs/ghtf/final/sg1/technical-docs/ghtf-sg1-n77-2012-principles-medical-devices-classification-121102.docx. Accessed 23 May 2013.
3. http://www.pmda.go.jp/operations/shonin/info/new.html. Accessed 18 Oct 2012.
4. http://www.pmda.go.jp/operations/shonin/info/attestation/ninsyokikan.html. (in Japanese)Accessed 18 Oct 2012.
5. http://ec.europa.eu/enterprise/policies/single-market-goods/cemarking/index_en.htm. Accessed 18 Oct 2012.