E. Matsumura

Clinicopathological evaluation of T2-gastric cancer among age groups.

K. Okuno, M. Yasutomi, H. Shigeoka, 2000, Hepato-gastroenterology.

Clinicopathological Study of Neural Invasion (NI) in Esophageal Cancer

K. Okuno, M. Yasutomi, A. Tanaka, 1999 .

The importance of neural invasion (NI) as a prognostic factor in diffuse invasive gastric cancer

K. Okuno, M. Watatani, M. Yasutomi, 1997, Surgery Today.