<http://ns.inria.fr/covid19/PMC7333444#body_text>	<http://purl.org/dc/terms/subject>	"Patent law" .
<http://ns.inria.fr/covid19/PMC7333444#body_text>	<http://purl.org/dc/terms/subject>	"1849 establishments in the Russian Empire" .
<http://ns.inria.fr/covid19/PMC7333444#body_text>	<http://purl.org/dc/terms/subject>	"1978 deaths" .