About: http://webisa.webdatacommons.org/147297168

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	These markers are usually specific to certain types of cancer and are usually found in the blood or other tissue samples.
http://www.w3.org/ns/prov#wasQuotedFrom	biology-online.org