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T. YoshidaMD
Department of Gastroenterology
Hokkaido University
Graduate School of Medicine
Division of Endoscopy
Hokkaido
University Hospital
Nshi-7, Kita-15, Kita-ku, Sapporo
Hokkaido
060–8638
Japan
Fax: +81-11-7067867
Email: peugeot307ccs16@yahoo.co.jp