title: Intrathecal metrizamide computed tomography: diagnosis of downbeat nystagmus in Arnold-Chiari I malformation.
mesh_terms: D001139:Arnold-Chiari Malformation / Q000150:complications / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008793:Metrizamide; D008875:Middle Aged; D009192:Myelography; D009759:Nystagmus, Pathologic / Q000150:complications*; D014057:Tomography, X-Ray Computed
chemical_list: D008793:Metrizamide