About: http://webisa.webdatacommons.org/295453429

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	If the result is repeatedly reactive, the patient result is listed as preliminary positive and a blood specimen is further tested by a more specific test such as the Western Blot or an indirect immunofluorescence assay (IFA).
http://www.w3.org/ns/prov#wasQuotedFrom	advanceweb.com