title: Nerve-root injection: a method for evaluating the etiology of sciatica.
mesh_terms: D003287:Contrast Media / Q000008:administration & dosage*; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage / Q000627:therapeutic use; D009192:Myelography / Q000379:methods; D011379:Prognosis; D012585:Sciatica / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000601:surgery; D013117:Spinal Cord Compression / Q000000981:diagnostic imaging; D013126:Spinal Nerve Roots / Q000000981:diagnostic imaging* / Q000187:drug effects / Q000601:surgery
chemical_list: D003287:Contrast Media; D008012:Lidocaine