PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Whether this syndrome is a disorder unto itself or is a subtype of depression associated with marijuana use remains controversial, and whether marijuana causes it or is a response to it is still not understood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drugabuse.gov