title: John Snow--"the autumn loiterer"?
mesh_terms: D000758:Anesthesia / Q000266:history*; D002725:Chloroform / Q000266:history; D002771:Cholera / Q000266:history; D004813:Epidemiology / Q000266:history*; D005019:Ethyl Ethers / Q000266:history; D049672:History, 19th Century; D008131:London
chemical_list: D005019:Ethyl Ethers; D002725:Chloroform