<http://webisa.webdatacommons.org/348133758>	<http://www.w3.org/ns/prov#value>	"? Headaches, such as migraines or cluster headaches can cause severe" .
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<http://webisa.webdatacommons.org/prov/57883463>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/348133758> .
<http://webisa.webdatacommons.org/348133758>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .