About: http://webisa.webdatacommons.org/289837166

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	A tumor marker can be detected in the blood or other body fluids and may be an indicator of cancer cell production.
http://www.w3.org/ns/prov#wasQuotedFrom	oncolink.org