About: http://webisa.webdatacommons.org/288236566

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	There are triggers such as prolonged sitting or standing, pain, and heavy exercise, but often episodes are random.
http://www.w3.org/ns/prov#wasQuotedFrom	scirp.org