title: [Pioneers of ether anesthesia through the rectum].
mesh_terms: D000774:Anesthesia, Rectal / Q000266:history*; D001943:Breast Neoplasms / Q000266:history; D004986:Ether / Q000008:administration & dosage / Q000266:history*; D005019:Ethyl Ethers / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D013030:Spain
chemical_list: D005019:Ethyl Ethers; D004986:Ether
vernacular_title: Pioneros de la anestesia etérea por vía rectal.