title: Preoperative hypoxemia.
authors.forename: J F
authors.initials: JF
authors.lastname: Szocik
mesh_terms: D006801:Humans; D000860:Hypoxia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000008:administration & dosage*; D011300:Preoperative Care; D014187:Transportation of Patients
chemical_list: D010100:Oxygen