title: A laboratory comparison of Copper Kettle, Fluotec Mark 2, and Pentec vaporizers.
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004987:Ethers; D006221:Halothane; D006801:Humans; D008733:Methoxyflurane; D010100:Oxygen; D013696:Temperature; D012122:Ventilators, Mechanical / Q000295:instrumentation*
chemical_list: D004987:Ethers; D008733:Methoxyflurane; D010100:Oxygen; D006221:Halothane