title: Letter: CO2 absorber placement affects spirometric measurements of gas exchange and pulmonary function.
mesh_terms: D000042:Absorption; D001769:Blood; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000097:blood / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008168:Lung / Q000502:physiology; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D012129:Respiratory Function Tests; D013147:Spirometry
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen