title: The use of explosive anesthetic agents.
mesh_terms: D000769:Anesthesia, Inhalation; D003521:Cyclopropanes / Q000008:administration & dosage*; D004987:Ethers / Q000008:administration & dosage*; D010414:Pennsylvania; D011795:Surveys and Questionnaires
chemical_list: D003521:Cyclopropanes; D004987:Ethers