Clinical system for non-invasive in situ monitoring of gases in the human paranasal sinuses Lewander, Märta ; Guan, Zuguang ; Svanberg, Katarina ; Svanberg, Sune ; Svensson, Tomas Abstract Publication: Optics Express Pub Date: June 2009 DOI: 10.1364/OE.17.010849 Bibcode: 2009OExpr..1710849L