<http://webisa.webdatacommons.org/84707263>	<http://www.w3.org/ns/prov#value>	"Unlike stress or sleep-deprivation caused headaches such as tension headaches or cluster headaches, hormonal headaches can often be charted weeks in advance with a woman???s upcoming period." .
<http://webisa.webdatacommons.org/prov/57883462>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/84707263> .
<http://webisa.webdatacommons.org/84707263>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<migralex.com> .
<http://webisa.webdatacommons.org/84707263>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .