title: Scavenging waste anesthetic gases from obsolescent anesthetic machines.
mesh_terms: D000397:Air Pollution / Q000517:prevention & control; D000758:Anesthesia / Q000191:economics / Q000662:veterinary*; D000776:Anesthesiology / Q000295:instrumentation; D000777:Anesthetics; D000818:Animals; D005740:Gases
chemical_list: D000777:Anesthetics; D005740:Gases