title: Aftereffects of morphine and fentanyl analgesia: a retrospective study.
authors.forename: S J
authors.initials: SJ
authors.lastname: Norton
mesh_terms: D000698:Analgesia / Q000009:adverse effects*; D003422:Critical Care / Q000451:nursing*; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D007231:Infant, Newborn; D007363:Intensive Care Units, Neonatal; D009020:Morphine / Q000009:adverse effects*; D012189:Retrospective Studies; D013375:Substance Withdrawal Syndrome / Q000209:etiology
chemical_list: D009020:Morphine; D005283:Fentanyl