<http://ns.inria.fr/covid19/PMC5901386#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC5901386#body_text>	<http://purl.org/dc/terms/subject>	"Pleistocene" .
<http://ns.inria.fr/covid19/PMC5901386#body_text>	<http://purl.org/dc/terms/subject>	"1990s German experimental aircraft" .