About: http://webisa.webdatacommons.org/304045846

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 degree of clarity is an indicator of infection, cancer, or other conditions that may be causing the buildup of fluid or blood in the pleural space.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org