title: Critical cerebral oxygen desaturation:  how should we define baseline saturation?
authors.forename: Martin
authors.initials: M
authors.lastname: Dworschak
mesh_terms: D001921:Brain / Q000098:blood supply*; D005260:Female; D006801:Humans; D008297:Male; D010100:Oxygen / Q000097:blood*; D056888:Patient Positioning; D012782:Shoulder / Q000601:surgery*
chemical_list: D010100:Oxygen