About: http://webisa.webdatacommons.org/404331313

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 a protein circulating in the blood of normal prostate cells as well as prostate cancer cells.
http://www.w3.org/ns/prov#wasQuotedFrom	urology.co.za