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<http://webisa.webdatacommons.org/327071314>	<http://www.w3.org/ns/prov#value>	"This doctor told of all kinds of instances of runners in their 50's who he is treated for knee replacements and other injuries." .
<http://webisa.webdatacommons.org/prov/144389488>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/327071314> .
<http://webisa.webdatacommons.org/327071314>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<runningahead.com> .