About: http://webisa.webdatacommons.org/428789197

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	For various reasons, such as disease, age, injury or the like, the various articulating regions may no longer be able to perform the anatomical action of the smooth and pain-free articulation.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com