<http://ns.inria.fr/covid19/PMC4431683#body_text>	<http://purl.org/dc/terms/subject>	"Differential equations" .
<http://ns.inria.fr/covid19/PMC4431683#body_text>	<http://purl.org/dc/terms/subject>	"Influenza" .
<http://ns.inria.fr/covid19/PMC4431683#body_text>	<http://purl.org/dc/terms/subject>	"Programming language topics" .
<http://ns.inria.fr/covid19/PMC4431683#body_text>	<http://purl.org/dc/terms/subject>	"Kamen Rider television series" .