About: http://webisa.webdatacommons.org/392046368

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Exposure to radiation, whether from the sun or from medical x-rays, activates the formation of free radicals, as does exposure to environmental pollutants such as tobacco smoke and automotive exhaust.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com