Kenji Ohyama

Assessment of the ablated area after radiofrequency ablation by contrast-enhanced sonography; comparison with virtual sonography with magnetic navigation.

Masaru Ueki, Takaaki Sugihara, Takakazu Nagahara, 2010, Clinical imaging.

Assessment of the ablated area after radiofrequency ablation by the spread of bubbles: comparison with virtual sonography with magnetic navigation.

Masaru Ueki, Takaaki Sugihara, Takakazu Nagahara, 2011, Hepato-gastroenterology.