<http://ns.inria.fr/covid19/PMC4722220#body_text>	<http://purl.org/dc/terms/subject>	"Personal protective equipment" .
<http://ns.inria.fr/covid19/PMC4722220#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC4722220#body_text>	<http://purl.org/dc/terms/subject>	"Arabian Peninsula" .