Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kevin K. Tremper and Steven J. Barker,Pulse Oximetry,Anesthesiology,0003-3022,Ovid Technologies (Wolters Kluwer Health),1989-01-01,70,1,98-108,https://cir.nii.ac.jp/crid/1360292618809693568,https://doi.org/10.1097/00000542-198901000-00019