title: Obstruction of vertebral artery in a 43-year-old man.
mesh_terms: D000328:Adult; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D006257:Head; D006801:Humans; D008297:Male; D011859:Radiography; D012399:Rotation; D014711:Vertebral Artery / Q000000981:diagnostic imaging