Kazuhiro Minami Yoshiki Kawata Noboru Niki Kiyoshi Mori Hironobu Ohmatsu Ryutaro Kakinuma Kenji Eguchi Masahiko Kusumoto Masahiro Kaneko Noriyuki Moriyama Computerized characterization of contrast enhancement patterns for classifying pulmonary nodules. 897-900 2001 ICIP (2) http://dx.doi.org/10.1109/ICIP.2001.958639 db/conf/icip/icip2001-2.html#MinamiKNMOKEKKM01