<http://webisa.webdatacommons.org/419591616> <http://www.w3.org/ns/prov#value> "Fears that vaccines might cause autism or other health problems have led some parents to skip vaccinating their children, despite repeated reassurances from health authorities." . <http://webisa.webdatacommons.org/prov/440968803> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/419591616> . <http://webisa.webdatacommons.org/419591616> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/419591616> <http://www.w3.org/ns/prov#wasQuotedFrom> <ctnow.com> .