About: http://webisa.webdatacommons.org/269570364

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	Serologic assays are available commercially for all markers except HBcAg because no free HBcAg circulates in blood.
http://www.w3.org/ns/prov#wasQuotedFrom	thebody.com