About: http://webisa.webdatacommons.org/314521936

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	> Any substance to the extent it is used in a research laboratory or a hospital or other medical facility under the direct supervision of a technically qualified person
http://www.w3.org/ns/prov#wasQuotedFrom	ri.gov