PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One other important source of cadmium is cigarette smoke; smokers typically have blood levels of cadmium approximately twice those of nonsmokers.[3] Cadmium can also be a contaminant of drinking water, air, and food, particularly shellfish.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nrdc.org