About: http://webisa.webdatacommons.org/170863817

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They usually result from an auto-immune condition, which causes the body???s immune system to go haywire and attack the joints and other parts of the body.
http://www.w3.org/ns/prov#wasQuotedFrom	ankylosisspondylitis.net