title: Inert gas measurements of coronary blood flow.
mesh_terms: D002849:Chromatography, Gas; D003331:Coronary Vessels; D006371:Helium; D006801:Humans; D006859:Hydrogen; D007201:Indicator Dilution Techniques; D008722:Methods; D009584:Nitrogen; D009609:Nitrous Oxide; D012039:Regional Blood Flow
chemical_list: D006371:Helium; D006859:Hydrogen; D009609:Nitrous Oxide; D009584:Nitrogen