Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Souya Nunobe and Satoshi Ida,Current status of proximal gastrectomy for gastric and esophagogastric junctional cancer: A review,Annals of Gastroenterological Surgery,2475-0328,Wiley,2020-06-21,4,5,498-504,https://cir.nii.ac.jp/crid/1360294647900504576,https://doi.org/10.1002/ags3.12365