PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Persons with occupational asthma should also avoid inhaling gases such as chlorine, or nitrogen dioxide, and sulfur dioxide, as these substances can make asthma symptoms more severe.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medcentral.org