<http://webisa.webdatacommons.org/prov/92657369>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/3690230> .
<http://webisa.webdatacommons.org/3690230>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<virgin.net> .
<http://webisa.webdatacommons.org/3690230>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/3690230>	<http://www.w3.org/ns/prov#value>	"lack of exercise was a major cause of unexplained chronic fatigue," .