<http://ns.inria.fr/covid19/PMC7301080#body_text>	<http://purl.org/dc/terms/subject>	"Clinical research" .
<http://ns.inria.fr/covid19/PMC7301080#body_text>	<http://purl.org/dc/terms/subject>	"Plan 111" .
<http://ns.inria.fr/covid19/PMC7301080#body_text>	<http://purl.org/dc/terms/subject>	"Heart valves" .
<http://ns.inria.fr/covid19/PMC7301080#body_text>	<http://purl.org/dc/terms/subject>	"Cardiac anatomy" .
<http://ns.inria.fr/covid19/PMC7301080#body_text>	<http://purl.org/dc/terms/subject>	"Multinational companies headquartered in the United States" .