About: http://webisa.webdatacommons.org/383875838

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	Sheldon has a comment about this over at Vaccines Work, including a link to a letter from the FDA stating that all thimerosal-containing vaccines that would have been on the market expired by 2002 at the latest.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com