About: http://webisa.webdatacommons.org/422071148

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	As previously noted, the agent may be any material desirably introduced into a patient, especially for treatment, but also for diagnosis.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca