title: Letter: Gilbert Abbott.
mesh_terms: D000758:Anesthesia / Q000266:history*; D004986:Ether / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D008404:Massachusetts
chemical_list: D005019:Ethyl Ethers; D004986:Ether