title: Cervical sympathetic chain block in sudden deafness.
mesh_terms: D000208:Acute Disease; D001340:Autonomic Nerve Block; D003051:Cochlea / Q000098:blood supply; D003638:Deafness / Q000188:drug therapy*; D005725:Ganglia, Autonomic; D006801:Humans; D008722:Methods; D009333:Neck