About: http://webisa.webdatacommons.org/341319974

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	In the body, a free radical usually is an oxygen molecule that self-stabilizes by taking an electron from another molecule, which in turn tries to take an electron from another molecule, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	allaboutvision.com