About: http://webisa.webdatacommons.org/440858538

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	They are complex in both origin and progression, and have proved to be some of the most difficult types of disease to treat.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com