About: http://webisa.webdatacommons.org/88262356

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	With respect to the kit, a positive control is a sample that is known to contain the antigen that can be detected with the device present in the kit.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com