<http://ns.inria.fr/covid19/PMC7121909#body_text>	<http://purl.org/dc/terms/subject>	"Feces" .
<http://ns.inria.fr/covid19/PMC7121909#body_text>	<http://purl.org/dc/terms/subject>	"Biological techniques and tools" .
<http://ns.inria.fr/covid19/PMC7121909#body_text>	<http://purl.org/dc/terms/subject>	"Companies established in 1978" .