title: A chronology of the very early history of inhalation anaesthesia in Canada.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000769:Anesthesia, Inhalation / Q000266:history* / Q000401:mortality; D000773:Anesthesia, Obstetrical / Q000266:history; D000818:Animals; D002170:Canada; D002648:Child; D002725:Chloroform / Q000266:history*; D004285:Dogs; D005019:Ethyl Ethers / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D011247:Pregnancy
chemical_list: D005019:Ethyl Ethers; D002725:Chloroform