title: What might have been. Investigations into the administration of inhalation agents.
mesh_terms: D000368:Aged; D000769:Anesthesia, Inhalation / Q000295:instrumentation / Q000379:methods* / Q000639:trends; D000777:Anesthetics; D004987:Ethers; D005018:Ethyl Chloride; D005030:Ethylenes; D005260:Female; D006221:Halothane; D006801:Humans; D008733:Methoxyflurane; D014753:Vinyl Compounds
chemical_list: D000777:Anesthetics; D004987:Ethers; D005030:Ethylenes; D014753:Vinyl Compounds; C100195:vinyl ether; D008733:Methoxyflurane; D005018:Ethyl Chloride; D006221:Halothane