1. T.J. Dishongh, M. McGrath. Wireless Sensor Network for Health Applications. Norwood, MA: Artech House, 2010, p. 5-36.
2. H. Cho,; Y. Baek,;, “Design and implementation of an active RFID system platform,” Applications and the Internet Workshops, 2006. SAINT Workshops 2006. International Symposium on, 2005. p. 4, 23-27 Jan.
3. R.S. Sangwan,; R.G. Qiu,; D. Jessen,;, “Using RFID tags for tracking patients, charts and medical equipment within an integrated health delivery network,” Networking, Sensing and Control, 2005. Proceedings. 2005 IEEE, March 2005. p. 1070-1074, 19-22.
4. Guangsong Yang; Mingbo Xiao; Chaoyang Chen;, “A Simple Energy-Balancing Method in RFID Sensor Networks,” Anti-counterfeiting, Security, Identification, 2007 IEEE International Workshop on, 16-18 April 2007,pp.306-310.
5. J. S. Kim. “Active RFID tag.”, U.S. Patent 2009/0224890 A1, Sept. 10, 2009.