<http://ns.inria.fr/covid19/PMC4313095#body_text>	<http://purl.org/dc/terms/subject>	"Petrochemicals" .
<http://ns.inria.fr/covid19/PMC4313095#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC4313095#body_text>	<http://purl.org/dc/terms/subject>	"Cities in Virginia" .