Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Henning B. Nielsen,Systematic review of near-infrared spectroscopy determined cerebral oxygenation during non-cardiac surgery,Frontiers in Physiology,1664-042X,Frontiers Media SA,2014-03-17,5,,93,https://cir.nii.ac.jp/crid/1362825893745016320,https://doi.org/10.3389/fphys.2014.00093