著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) KITAHORA T,Epidemiological study of ulcerative colitis in Japan : incidence and familial occurrence. The Epidemiology Group of the Research Committee of Inflammatory Bowel Disease in Japan,J Gastroenterol,,,1995,30,,5-8,https://cir.nii.ac.jp/crid/1572261550066705408,