<http://ns.inria.fr/covid19/PMC6142742#body_text>	<http://purl.org/dc/terms/subject>	"Italian football First Division clubs" .
<http://ns.inria.fr/covid19/PMC6142742#body_text>	<http://purl.org/dc/terms/subject>	"Cities in Virginia" .
<http://ns.inria.fr/covid19/PMC6142742#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .