About: http://webisa.webdatacommons.org/91694562

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	PSA is not a perfect test, and it is possible to have cancer with a normal PSA, and high levels can happen in conditions other than cancer, especially with infection or inflammation of the prostate.
http://www.w3.org/ns/prov#wasQuotedFrom	heraldtribune.com