Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KISHI Tomoki and HAMASHIMA Chisato,A study of an estimation method for the adverse effects of the upper gastrointestinal series using high-density barium meal,Nihon Shoukaki Gan Kenshin Gakkai zasshi,18807666,The Japanese Society of Gastrointestinal Cancer Screening,2014,52,4,431-440,https://cir.nii.ac.jp/crid/1390282680247149440,https://doi.org/10.11404/jsgcs.52.431