<http://ns.inria.fr/covid19/PMC2194748#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC2194748#body_text>	<http://purl.org/dc/terms/subject>	"14th-century health disasters" .
<http://ns.inria.fr/covid19/PMC2194748#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .