<http://ns.inria.fr/covid19/PMC7235655#body_text>	<http://purl.org/dc/terms/subject>	"Global workforce and labor organizations" .
<http://ns.inria.fr/covid19/PMC7235655#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC7235655#body_text>	<http://purl.org/dc/terms/subject>	"Digital libraries" .