title: Oxygen saturation decreases acutely when opioids are given during anaesthesia.
authors.forename: G B
authors.initials: GB
authors.lastname: Drummond
authors.forename: B
authors.initials: B
authors.lastname: Lafferty
mesh_terms: D000328:Adult; D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D005283:Fentanyl / Q000009:adverse effects; D006801:Humans; D007430:Intraoperative Care / Q000009:adverse effects; D008875:Middle Aged; D010100:Oxygen / Q000097:blood*
chemical_list: D000701:Analgesics, Opioid; D010100:Oxygen; D005283:Fentanyl