<http://ns.inria.fr/covid19/PMC7156232#title>	<http://purl.org/dc/terms/subject>	"BRICS nations" .
<http://ns.inria.fr/covid19/PMC7156232#title>	<http://purl.org/dc/terms/subject>	"NHS hospitals in London" .
<http://ns.inria.fr/covid19/PMC7156232#title>	<http://purl.org/dc/terms/subject>	"Medical physics" .