Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HAYASHI Ken and HIROTA Teruyuki and ITABASHI Masayuki and HOJO Keiichi and MORIYA Yoshihiro and SAWADA Toshio,CLINICOPATHOLOGICAL STUDIES OF ANAL CANAL CANCER,The Japanese journal of gastroenterological surgery,03869768,The Japanese Society of Gastroenterological Surgery,1989,22,,2414-2420,https://cir.nii.ac.jp/crid/1570572701966746496,