About: http://webisa.webdatacommons.org/68657205

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	It has long been known that arsenic is a highly toxic substance, a suspected carcinogen, and can be deadly in pure form.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com