About: http://webisa.webdatacommons.org/456052344

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	Lots of different things can make PSA level go up, including infections, enlarging of the prostate ??? which happens as we age ??? and other things that have nothing to do with cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu