About: http://webisa.webdatacommons.org/434366511

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	However, he notes that Portugal is a small country and that the cyclical nature of drug epidemics ??? which tends to occur no matter what policies are in place ??? may account for the declines in heroin use and deaths.
http://www.w3.org/ns/prov#wasQuotedFrom	boxden.com