About: http://webisa.webdatacommons.org/20193760

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	A negative sample is a sample which is known to be lacking in a specific antigen, antibody or other entity that the other samples in the tray are being tested for.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com