About: http://webisa.webdatacommons.org/158069672

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	In adults, the most common cause is abnormal wear on the cartilage and bones, such as arthritis.
http://www.w3.org/ns/prov#wasQuotedFrom	adam.com