About: http://webisa.webdatacommons.org/451714435

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	Tumor Marker: Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body tissues of some patients with certain types of cancer .
http://www.w3.org/ns/prov#wasQuotedFrom	tc-cancer.com