title: Radiological imaging before epidural steroid injections.
mesh_terms: D015360:Analgesia, Epidural / Q000379:methods*; D000893:Anti-Inflammatory Agents / Q000008:administration & dosage*; D004824:Epidural Space / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography; D013256:Steroids
chemical_list: D000893:Anti-Inflammatory Agents; D013256:Steroids