1. Blood Center, the Republic of Korea National Red Cross.,
http://www.bloodinfo.net/
2. Ministry of Health and Welfare,
http://www.mohw.go.kr/index.jsp
3. The National Blood Service (2000),
http://www.blood.co.uk/
4. Using RFID Technologies to Reduce Blood Transfusion Error, Joseph Dalton, PhD, White Paper by Intel Corporation, Cisco Systems, San RAaffaele Hospital (2005)
5. Fundamentals and Applications in Contactless Smart Cards and Identification, G. Lee, YoungJin.com (2004)