About: http://webisa.webdatacommons.org/320139405

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	Examples of agents that can be used are viruses or proteins for immunisation, analgesics such as ibuprofen, hormones such as human growth hormone, and drugs such as insulin and calcitonin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com