R. Okamoto

发表

Tetsuya Nakamura, M. Yamazaki, T. Kanai, 2004, Journal of gastroenterology and hepatology.

K. Takenaka, M. Watanabe, R. Okamoto, 2021, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

K. Tsuchiya, M. Umeda, R. Okamoto, 1973, Ryumachi. [Rheumatism].

S. Oshima, K. Tsuchiya, T. Kanai, 2008, Endoscopy.