<http://ns.inria.fr/covid19/PMC7367023#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC7367023#body_text>	<http://purl.org/dc/terms/subject>	"Units of density" .
<http://ns.inria.fr/covid19/PMC7367023#body_text>	<http://purl.org/dc/terms/subject>	"Medical mnemonics" .
<http://ns.inria.fr/covid19/PMC7367023#body_text>	<http://purl.org/dc/terms/subject>	"HD DVD" .