<http://ns.inria.fr/covid19/PMC7121646#body_text>	<http://purl.org/dc/terms/subject>	"Evaluation methods" .
<http://ns.inria.fr/covid19/PMC7121646#body_text>	<http://purl.org/dc/terms/subject>	"1789 establishments in the United States" .
<http://ns.inria.fr/covid19/PMC7121646#body_text>	<http://purl.org/dc/terms/subject>	"Philosophical theories" .