Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KLEIN SL,An unusual case of hypercarbia during general anesthesia,Anesthesiology,,,1980,53,,248-250,https://cir.nii.ac.jp/crid/1570291225250897664,https://doi.org/10.1097/00000542-198009000-00015