<http://ns.inria.fr/covid19/PMC7284737#body_text>	<http://purl.org/dc/terms/subject>	"Clinical research" .
<http://ns.inria.fr/covid19/PMC7284737#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC7284737#body_text>	<http://purl.org/dc/terms/subject>	"2014 in science" .