title: Some observations of the spread of solution in the cervical epidural space using metrizamide.
mesh_terms: D004824:Epidural Space / Q000000981:diagnostic imaging*; D006801:Humans; D007267:Injections; D008793:Metrizamide; D011859:Radiography; D013115:Spinal Canal / Q000000981:diagnostic imaging*
chemical_list: D008793:Metrizamide