title: [Was Valerius Cordus a discoverer of ether?].
authors.forename: A
authors.initials: A
authors.lastname: Drygas
mesh_terms: D000758:Anesthesia / Q000266:history*; D004987:Ethers / Q000266:history*; D005858:Germany; D049669:History, 16th Century; D006801:Humans
chemical_list: D004987:Ethers
vernacular_title: Czy Valerius Cordus był odkrywcaeteru?