Ankylosing hyperostosis of the cervical spine.
D000844:Ankylosis / Q000150:complications*; D001044:Aphonia; D002574:Cervical Vertebrae; D003680:Deglutition Disorders / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013128:Spinal Osteophytosis / Q000150:complications*