Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Wataru Adachi and Naohiko Koide and Shoichiro Koike and Jun Amano and Kazuyuki Yazawa and Hiroyuki Watanabe,Synchronous gastric tumors associated with esophageal cancer A retrospective study of twenty-four patients,The American Journal of Gastroenterology,0002-9270,Ovid Technologies (Wolters Kluwer Health),1998-05-01,93,,758-762,https://cir.nii.ac.jp/crid/1871991017659087360,https://doi.org/10.1016/s0002-9270(98)00100-2