About: http://webisa.webdatacommons.org/219182840

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	The history should include onset, pattern and chronology of the pain, associated symptoms, preceding symptoms or visual symptoms, precipitants including stress, illnesses, foods, medication and caffeine.
http://www.w3.org/ns/prov#wasQuotedFrom	usc.edu