Epidurography.
D000368:Aged; D003287:Contrast Media / Q000008:administration & dosage; D003973:Diatrizoate / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008297:Male; D008349:Manipulation, Orthopedic; D008875:Middle Aged; D009120:Muscle Cramp / Q000139:chemically induced; D009192:Myelography; D012585:Sciatica / Q000000981:diagnostic imaging; D013115:Spinal Canal / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D013122:Spinal Diseases / Q000000981:diagnostic imaging* / Q000628:therapy; D014143:Traction
D003287:Contrast Media; D003973:Diatrizoate