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<http://webisa.webdatacommons.org/176933827>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.net> .
<http://webisa.webdatacommons.org/176933827>	<http://www.w3.org/ns/prov#value>	"In some cases, however, severe chest pain can indicate serious or life-threatening conditions such as heart attack or angina." .
<http://webisa.webdatacommons.org/prov/423475823>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176933827> .