About: http://webisa.webdatacommons.org/239726971

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	Runner's knee, also known as patellofemoral stress syndrome, is a condition characterized by the kneecap rubbing against the thighbone (femur) when moving.
http://www.w3.org/ns/prov#wasQuotedFrom	aapc.com