title: Delayed respiratory depression following extradural injection of morphine.
mesh_terms: D000368:Aged; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009020:Morphine / Q000009:adverse effects*; D009270:Naloxone / Q000008:administration & dosage / Q000627:therapeutic use; D012131:Respiratory Insufficiency / Q000139:chemically induced* / Q000628:therapy
chemical_list: D009270:Naloxone; D009020:Morphine