In vitro imaging of human monocytic cellular activity using superparamagnetic iron oxide. - Akihiro Nishie; Kengo Yoshimitsu; Tomohiro Nakayama; Masamitsu Hatakenaka; Hiroyuki Irie; Yoshiyuki Shioyama; Shuji Matsuura; Yunosuke Nishihara; Koji Kobayashi; Hiroshi Honda (Comput. Medical Imaging Graph., 2007)