<http://ns.inria.fr/covid19/PMC7111190#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC7111190#body_text>	<http://purl.org/dc/terms/subject>	"18th-century British composers" .
<http://ns.inria.fr/covid19/PMC7111190#body_text>	<http://purl.org/dc/terms/subject>	"1990s action thriller films" .