About: http://webisa.webdatacommons.org/210038028

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	It is uncertain what causes polymyalgia rheumatica to develop, but it happens when the immune system starts attacking the lining of joints, such as in the hip and shoulder.
http://www.w3.org/ns/prov#wasQuotedFrom	ssdrc.com