About: http://webisa.webdatacommons.org/200542625

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	I have not found much information on comparison of Heroin, Cocaine, Marijuana and other drugs as compared to man made synthetic drugs.
http://www.w3.org/ns/prov#wasQuotedFrom	authorsden.com