title: Ankylosing spondylitis: yesterday and today.
mesh_terms: D000818:Animals; D006680:HLA Antigens; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000266:history* / Q000276:immunology / Q000662:veterinary
chemical_list: D006680:HLA Antigens