PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Researchers have found that even extremely diluted concentrations of drugs harm fish, frogs and other aquatic species. [This may be part of the reason that amphibians are disappearing.] Also, researchers report that human cells fail to grow normally in the laboratory when exposed to trace concentrations of certain drugs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonsblog.com