title: The Humphrey ADE, Magill and Lack breathing systems.
authors: M R
authors: MR
authors: Nott
authors: A C
authors: AC
authors: Briffa
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000768:Anesthesia, General; D002245:Carbon Dioxide / Q000378:metabolism*; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation / Q000295:instrumentation*; D008297:Male; D013990:Tidal Volume
chemical_list: D002245:Carbon Dioxide