Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Saegusa Yoichi and Mihara Shizuka and Imasaki Takao and Hashimoto Hiroko and Takeshita Tomochika and Ishii Ryuji and Yamabe Saori and Katou Aya and Igarashi Keiko and Miyajima Eriko and Yoshida Muneki and Saigenji Katutoshi and Ooida Masahito,Usefulness of Administering Carbon Dioxide in Esophagogastroduodenoscopy,Official Journal of Japan Society of Ningen Dock,18801021,Japan Society of Ningen Dock,2014,29,1,21-25,https://cir.nii.ac.jp/crid/1390282680210197760,https://doi.org/10.11320/ningendock.29.21