About: http://webisa.webdatacommons.org/115501940

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	A symptom is something the patient senses and describes, while a sign is something other people, such as the doctor notice.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com