About: http://webisa.webdatacommons.org/243110603

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	Unfortunately, there are an increasing number of problems with PSA being an excellent organ specific marker, but not a specific cancer marker, a problem that will continue to worsen with the aging male population.
http://www.w3.org/ns/prov#wasQuotedFrom	cancer.gov