About: http://webisa.webdatacommons.org/424790727

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 or other preservatives is just a way to tell the customer that the vaccine is not produced in sterile facilities.
http://www.w3.org/ns/prov#wasQuotedFrom	medicalxpress.com