About: http://webisa.webdatacommons.org/50797382

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	Rheumatoid arthritis, meanwhile, is an autoimmune disease in which the immune system mistakenly attacks the healthy cells in the membranes that line the joints, causing pain and, over time, degradation of the cartilage and bone.
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org