title: New inlet design for respiratory mass spectrometers.
mesh_terms: D002245:Carbon Dioxide / Q000032:analysis; D005740:Gases / Q000032:analysis*; D006371:Helium / Q000032:analysis; D006801:Humans; D013058:Mass Spectrometry / Q000295:instrumentation*; D009584:Nitrogen / Q000032:analysis; D009609:Nitrous Oxide / Q000032:analysis; D010100:Oxygen / Q000032:analysis; D012129:Respiratory Function Tests / Q000295:instrumentation*; D014783:Viscosity; D014867:Water
chemical_list: D005740:Gases; D014867:Water; D002245:Carbon Dioxide; D006371:Helium; D009609:Nitrous Oxide; D009584:Nitrogen; D010100:Oxygen