PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tobacco leaves and tobacco products, including cigarettes, contain chromium.How might I be exposed to chromium?You can be exposed to chromium by breathing air that contains it, though the levels in air are usually low.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov