<http://webisa.webdatacommons.org/199287627>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/199287627>	<http://www.w3.org/ns/prov#value>	"Contrarily, a secondary headache is due to a disease or medical condition, such as an illness, infection, injury, stroke or other abnormality." .
<http://webisa.webdatacommons.org/prov/353167715>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/199287627> .
<http://webisa.webdatacommons.org/199287627>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .