About: http://webisa.webdatacommons.org/108877360

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	Additionally, antigens need not be viral in nature to be multivalent, and among these may, for example, be included cells, immune complexes, membrane preparations, bacteria, proteins such as AFP or HCG, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com