Akiyoshi Takeda

A Case of Focal Nodular Hyperplasia of Liver, Correct Diagnosed Preoperatively by Radiologic Features

Manabu Watanabe, Y. Sumiyama, Hidenori Tanaka, 1998 .

A Successful Case of Laparoscopic Adhesiolysis for Postoperative Frequent Attack of Abdominal Pain

Y. Sumiyama, Y. Saida, J. Nagao, 1995 .

A clinical study of spontaneous internal biliary fistula.

Y. Sumiyama, Shigeru Suzuki, T. Takuma, 1989 .

Clinical evaluation of ultrasonography for stone of the neck of the gallbladder.

Y. Sumiyama, Shigeru Suzuki, T. Takuma, 1986 .