<http://ns.inria.fr/covid19/PMC4608734#body_text>	<http://purl.org/dc/terms/subject>	"Nervous tissue cells" .
<http://ns.inria.fr/covid19/PMC4608734#body_text>	<http://purl.org/dc/terms/subject>	"Famines" .
<http://ns.inria.fr/covid19/PMC4608734#body_text>	<http://purl.org/dc/terms/subject>	"Philosophical theories" .