title: The Clover-Snow collection. Papers of Joseph Clover and John Snow in the Woodward Biomedical Library, University of British Columbia, Vancouver.
mesh_terms: D000769:Anesthesia, Inhalation / Q000266:history* / Q000295:instrumentation; D000776:Anesthesiology / Q000266:history*; D001955:British Columbia; D002725:Chloroform; D004739:England; D005019:Ethyl Ethers; D049672:History, 19th Century; D009609:Nitrous Oxide; D012121:Respiration, Artificial / Q000266:history; D013525:Surgical Instruments / Q000266:history*; D001744:Urinary Bladder Calculi / Q000601:surgery
chemical_list: D005019:Ethyl Ethers; D002725:Chloroform; D009609:Nitrous Oxide