PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Such objectives have been long desired but difficult to achieve, because of problems such as the difficulty of working with ??9 THC, large dosage amounts required for ??9 THC, and properties of ??9 THC that make it unlike, and not interchangeable with, most other drugs.
http://www.w3.org/ns/prov#wasQuotedFrom
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