title: [The response of Fleisch pneumotachograph to various gases.--Is this apparatus an accurate viscous flowmeter?].
mesh_terms: D002245:Carbon Dioxide / Q000032:analysis; D009584:Nitrogen / Q000032:analysis; D009589:Nitrogen Oxides / Q000032:analysis; D010100:Oxygen / Q000032:analysis; D013147:Spirometry / Q000295:instrumentation*; D014783:Viscosity
chemical_list: D009589:Nitrogen Oxides; D002245:Carbon Dioxide; D009584:Nitrogen; D010100:Oxygen