title: Back pain associated with the epidural injection of fentanyl.
authors.forename: M
authors.initials: M
authors.lastname: Hannallah
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects*; D001416:Back Pain / Q000209:etiology*; D005283:Fentanyl / Q000008:administration & dosage / Q000009:adverse effects*; D006801:Humans
chemical_list: D005283:Fentanyl