Nobuko Koyama

Assessment of hepatic fibrosis with superb microvascular imaging in hepatitis C virus‐associated chronic liver diseases

J. Hata, K. Hino, Y. Tomiyama, 2017, Hepatology research : the official journal of the Japan Society of Hepatology.

Increased enhancement of the liver adjacent to the gallbladder seen with contrast ultrasound: comparison between acute cholecystitis and non-cholecystitis

Ryousuke Kawai, Hiroshi Imamura, Jiro Hata, 2016, BMC Medical Imaging.

Contrast-enhanced ultrasonography with Sonazoid for diagnosis of gangrenous cholecystitis

H. Imamura, J. Hata, Y. Sadahira, 2016, Journal of Medical Ultrasonics.