<http://webisa.webdatacommons.org/prov/498811746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208465364> .
<http://webisa.webdatacommons.org/208465364>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/208465364>	<http://www.w3.org/ns/prov#value>	"The letter is a work of pure arrogant pseudoscience ??? a crafted piece of anti-vaccine propaganda." .
<http://webisa.webdatacommons.org/208465364>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencebasedmedicine.org> .