Junichi Shimada Daishiro Katoh Makoto Kawakami Fumiaki Ikeda Yutaka Yamamoto Satoshi Yamaguchi Atsushi Nishikawa The registration of magnetic navigation system for surgery. 446-451 2003 conf/cars/2003 CARS db/conf/cars/cars2003.html#ShimadaKKIYYN03