About: http://webisa.webdatacommons.org/292656317

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	Specifically, they can trigger the production of biologically reactive, oxygen-containing molecules such as free radicals.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com