About: http://webisa.webdatacommons.org/6558019

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	In virtually all illnesses, especially early in their course, signs and symptoms are remarkably variable.
http://www.w3.org/ns/prov#wasQuotedFrom	addictionpro.com