title: Preoxygenation technique is not ideal.
authors.forename: P
authors.initials: P
authors.lastname: Butler
authors.forename: M
authors.initials: M
authors.lastname: Kenny
mesh_terms: D000328:Adult; D000758:Anesthesia / Q000379:methods*; D006801:Humans; D008297:Male; D010100:Oxygen / Q000008:administration & dosage*
chemical_list: D010100:Oxygen