The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Francisco, CA, USA. IEEE: pp. 5447-5450; ISBN 978-0-7803-8439-2
2004,
Shimizu E, Matsuda-Honjyo Y, Samoto H, Saito R, Nakajima Y, Nakayama Y, Kato N, Yamazaki M, Ogata Y