title: Effects of low flow rates on the inspired oxygen concentration in circle absorber circuit.
mesh_terms: D000328:Adult; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D002245:Carbon Dioxide / Q000032:analysis; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation / Q000295:instrumentation; D008875:Middle Aged; D010100:Oxygen / Q000032:analysis*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen