About: http://webisa.webdatacommons.org/280568128

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	Mercury and Vaccines (Thimerosal) Photo of bottle Thimerosal is a mercury-containing preservative used in some vaccines and other products since the 1930s.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com