PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Iran is an important transit route for opiate trafficking: an estimated 40% of Afghanistan's opium production passes through Iranian territory, some of which is absorbed locally [79].Opiates were believed to be readily available and their use widespread among Afghan refugees, although illicit and not always socially and culturally acceptable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov