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<http://webisa.webdatacommons.org/121757541>	<http://www.w3.org/ns/prov#value>	"Are you troubled by unexplained headaches, backaches or other physical complaints?" .
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<http://webisa.webdatacommons.org/121757541>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<riversideonline.com> .