<http://ns.inria.fr/covid19/PMC7402330#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC7402330#body_text>	<http://purl.org/dc/terms/subject>	"Medical mnemonics" .
<http://ns.inria.fr/covid19/PMC7402330#body_text>	<http://purl.org/dc/terms/subject>	"Problem solving methods" .