title: Delayed respiratory depression with fentanyl.
mesh_terms: D005283:Fentanyl / Q000494:pharmacology*; D006801:Humans; D012119:Respiration / Q000187:drug effects*; D012131:Respiratory Insufficiency / Q000503:physiopathology*; D012684:Sensory Thresholds
chemical_list: D005283:Fentanyl