About: http://webisa.webdatacommons.org/18753676

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	Also called PSA.prostate-specific antigen test A blood test that measures the level of prostate-specific antigen (PSA), a substance produced by the prostate and some other tissues in the body.
http://www.w3.org/ns/prov#wasQuotedFrom	mdanderson.org