<http://ns.inria.fr/covid19/PMC7115259#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC7115259#body_text>	<http://purl.org/dc/terms/subject>	"Respirators" .
<http://ns.inria.fr/covid19/PMC7115259#body_text>	<http://purl.org/dc/terms/subject>	"Occupational Safety and Health Administration" .
<http://ns.inria.fr/covid19/PMC7115259#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .