About: http://webisa.webdatacommons.org/372481821

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	Soon, the antivaccinationists had even identified a supposed causative agent: thimerosal, a preservative that was used in MMR and some other vaccines.
http://www.w3.org/ns/prov#wasQuotedFrom	patheos.com