<http://ns.inria.fr/covid19/PMC7106537#body_text>	<http://purl.org/dc/terms/subject>	"Mass media companies established in 1987" .
<http://ns.inria.fr/covid19/PMC7106537#body_text>	<http://purl.org/dc/terms/subject>	"Laboratories" .
<http://ns.inria.fr/covid19/PMC7106537#body_text>	<http://purl.org/dc/terms/subject>	"Lists of countries" .