<http://webisa.webdatacommons.org/prov/502533932>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/398688416> .
<http://webisa.webdatacommons.org/398688416>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/398688416>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencedaily.com> .
<http://webisa.webdatacommons.org/398688416>	<http://www.w3.org/ns/prov#value>	"HPV vaccines prevent infection from certain types of human papillomavirus." .