<http://ns.inria.fr/covid19/PMC7106521#body_text>	<http://purl.org/dc/terms/subject>	"Mythology" .
<http://ns.inria.fr/covid19/PMC7106521#body_text>	<http://purl.org/dc/terms/subject>	"Mammals of Tonga" .
<http://ns.inria.fr/covid19/PMC7106521#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .