<http://ns.inria.fr/covid19/PMC7086546#body_text>	<http://purl.org/dc/terms/subject>	"Companies based in North Rhine-Westphalia" .
<http://ns.inria.fr/covid19/PMC7086546#body_text>	<http://purl.org/dc/terms/subject>	"Immunostimulants" .
<http://ns.inria.fr/covid19/PMC7086546#body_text>	<http://purl.org/dc/terms/subject>	"Ionophores" .