About: http://webisa.webdatacommons.org/272547674

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 test is performed if you have a pleural effusion and its cause is not known, especially if the health care provider suspects an infection or cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	pennmedicine.org