title: [CT myelography for the diagnosis of spinal canal block].
mesh_terms: D006801:Humans; D008793:Metrizamide; D009192:Myelography; D013115:Spinal Canal / Q000000981:diagnostic imaging; D013117:Spinal Cord Compression / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed
chemical_list: D008793:Metrizamide