title: Epidural LA/opioid.
authors.forename: N G
authors.initials: NG
authors.lastname: Smart
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects*; D001049:Apnea / Q000139:chemically induced*; D002045:Bupivacaine / Q000009:adverse effects*; D005283:Fentanyl / Q000009:adverse effects* / Q000097:blood; D006801:Humans; D008159:Lumbar Vertebrae; D012131:Respiratory Insufficiency / Q000139:chemically induced
chemical_list: D005283:Fentanyl; D002045:Bupivacaine