About: http://webisa.webdatacommons.org/339383609

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	OA is a chronic condition in which the material that cushions the joints, called cartilage, breaks down, causing the bones to rub against each other, resulting in stiffness, pain and loss of joint movement.
http://www.w3.org/ns/prov#wasQuotedFrom	arthritistoday.org