<http://ns.inria.fr/covid19/PMC7381272#body_text>	<http://purl.org/dc/terms/subject>	"Geography of Wallachia" .
<http://ns.inria.fr/covid19/PMC7381272#body_text>	<http://purl.org/dc/terms/subject>	"Greater London" .
<http://ns.inria.fr/covid19/PMC7381272#body_text>	<http://purl.org/dc/terms/subject>	"Criminology" .