<http://ns.inria.fr/covid19/PMC7280638#body_text>	<http://purl.org/dc/terms/subject>	"Lists of countries" .
<http://ns.inria.fr/covid19/PMC7280638#body_text>	<http://purl.org/dc/terms/subject>	"2007 in economics" .
<http://ns.inria.fr/covid19/PMC7280638#body_text>	<http://purl.org/dc/terms/subject>	"Philosophical theories" .