<http://ns.inria.fr/covid19/PMC7122758#body_text>	<http://purl.org/dc/terms/subject>	"Louisiana parishes on the Mississippi River" .
<http://ns.inria.fr/covid19/PMC7122758#body_text>	<http://purl.org/dc/terms/subject>	"Nuclear technology" .
<http://ns.inria.fr/covid19/PMC7122758#body_text>	<http://purl.org/dc/terms/subject>	"Lists of countries" .