K. Niwa

Contrast-enhanced transabdominal ultrasonography in the diagnosis of pancreatic mass lesions.

Y. Hirooka, H. Goto, A. Itoh, 2003, Acta radiologica.

Autoimmune Hepatitis Associated with Celiac Disease in Childhood: Report of Two Cases

Y. Hirooka, H. Goto, A. Itoh, 2003, Journal of gastroenterology and hepatology.

Retroperitoneal neurilemoma diagnosed by EUS-guided FNA.

Y. Hirooka, H. Goto, A. Itoh, 2003, Gastrointestinal endoscopy.

Comparison of image quality between electronic and mechanical radial scanning echoendoscopes in pancreatic diseases

Y. Hirooka, H. Goto, A. Itoh, 2004, Journal of gastroenterology and hepatology.

Endoscopic diagnosis of pancreatic cancer using intraductal ultrasonography.

Y. Hirooka, H. Goto, T. Hayakawa, 2001, Hepato-gastroenterology.

Preclinical study of endoscopic ultrasonography with electronic radial scanning echoendoscope

Y. Hirooka, H. Goto, A. Itoh, 2003, Journal of gastroenterology and hepatology.

Recent advances in US diagnosis of pancreatic cancer.

Y. Hirooka, H. Goto, T. Hayakawa, 2001, Hepato-gastroenterology.