title: Another hazard of free-standing vaporizers, increased anesthetic concentration with reversed flow of vaporizing gas.
mesh_terms: D000769:Anesthesia, Inhalation / Q000009:adverse effects / Q000295:instrumentation*; D004305:Dose-Response Relationship, Drug; D004737:Enflurane / Q000008:administration & dosage; D006221:Halothane / Q000008:administration & dosage; D006801:Humans; D014835:Volatilization
chemical_list: D004737:Enflurane; D006221:Halothane