著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Olga Sjomina and Jelizaveta Pavlova and Yaron Niv and Marcis Leja,Epidemiology of Helicobacter pylori infection,Helicobacter,1083-4389,Wiley,2018-09,23,S1,6,https://cir.nii.ac.jp/crid/1362544419635008512,https://doi.org/10.1111/hel.12514