<http://webisa.webdatacommons.org/455149320>	<http://www.w3.org/ns/prov#value>	"It was empirically observed several years ago at HDC, before CV exploration and cleaning was a routine part of the total dental revision, that most patients showed some clear clinical and laboratory improvements after their dental treatments." .
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<http://webisa.webdatacommons.org/prov/378385164>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/455149320> .
<http://webisa.webdatacommons.org/455149320>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<livingnetwork.co.za> .