Fabrication of hollow particles composed of silica containing gadolinium compound and magnetic resonance imaging using them Yoshio Kobayashi*, Hikaru Morimoto, Tomohiko Nakagawa, Yohsuke Kubota, Kohsuke Gonda, Noriaki Ohuchi, 10.1186/2193-8865-3-11 XML Requires Subscription HTML Requires Subscription PDF views: 70 downloads: 132