About: http://webisa.webdatacommons.org/322869565

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	What got U.S. researchers interested in the first place was a study in the early ???90s by the Shanghai Cancer Institute, Columbia University and the U.S. National Cancer Institute.
http://www.w3.org/ns/prov#wasQuotedFrom	thereader.com