Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Bryan Goldner and Bruce E. Stabile,Duodenal Adenocarcinoma: Why the Extreme Rarity of Duodenal Bulb Primary Tumors?,The American Surgeon™,0003-1348,SAGE Publications,2014-10,80,10,956-959,https://cir.nii.ac.jp/crid/1360294646721472128,https://doi.org/10.1177/000313481408001010