About: http://webisa.webdatacommons.org/229884113

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	Though there are totally different classes, all might cause stiffness, pain, swelling of the joints, and other body structures, such as tendons, muscles, bones, and ligaments.
http://www.w3.org/ns/prov#wasQuotedFrom	ankylosisspondylitis.net