<http://ns.inria.fr/covid19/PMC2718874#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC2718874#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC2718874#body_text>	<http://purl.org/dc/terms/subject>	"Aircraft carriers sunk by aircraft" .