2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, BC, Canada. IEEE: 1250-1253; ISBN 978-1-4244-1814-5
2007,
Ren DQ, Yang WQ, Zhao T, Li XJ, Zeng GY, Zhang J, Li YR
2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Lyon, France. IEEE: 1184-1187; ISBN 978-1-4244-0787-3