Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watanabe M and Hidaka H and Yamagata M and Okuwaki Y and Miura Y and Adachi S and Ono K and Nakazawa T and Shibuya A and Kokubu S and Saigenji K,Esophageal perforation as overtube-related complication associated with endoscopic variceral ligation (EVL),Japanese Journal of Portal Hypertension,1344-8447,The Japan Society for Portal Hypertension,2006,12,2,130-132,https://cir.nii.ac.jp/crid/1390282680433647616,https://doi.org/10.11423/jsph1999.12.2_130