About: http://webisa.webdatacommons.org/21791170

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	Chronic pain is relatively common after different types of surgery.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov