title: Preoxygenation: best method for both efficacy and efficiency.
authors.forename: J L
authors.initials: JL
authors.lastname: Benumof
mesh_terms: D000758:Anesthesia; D006801:Humans; D010100:Oxygen / Q000008:administration & dosage* / Q000097:blood; D012119:Respiration
chemical_list: D010100:Oxygen