Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Arai Sodai and Matsuyama Takatoshi and Nankaku Akitoshi and Mizoguchi Masako and Hanaoka Marie and Iwata Noriko and Masuda Taiki and Yamauchi Shinichi and Tokunaga Masanori and Kinugasa Yusuke,Two Cases of Ulcerative Colitis with Left Renal Vein Thrombosis Preoperatively,The Japanese Journal of Gastroenterological Surgery,0386-9768,The Japanese Society of Gastroenterological Surgery,2022-04-01,55,4,282-289,https://cir.nii.ac.jp/crid/1390291932619003008,https://doi.org/10.5833/jjgs.2021.0073