About: http://webisa.webdatacommons.org/259397553

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 produced by the cells of the prostate gland, a male reproductive gland that makes the fluid that carries sperm during ejaculation.
http://www.w3.org/ns/prov#wasQuotedFrom	cedars-sinai.edu