About: http://webisa.webdatacommons.org/102352156

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	In various embodiments the tissue constituent is an endogenous pigment, for example hemoglobin, or an exogenous pigment, for example a selected contrast agent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca