About: http://webisa.webdatacommons.org/29467149

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 acute phase of stroke, or cerebral infarction, a great deal of experimental data suggests that free radicals, including superoxide, hydroxy radical, and nitric oxide (NO) are one of the most important factors causing brain damage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com