<http://ns.inria.fr/covid19/PMC7111179#body_text>	<http://purl.org/dc/terms/subject>	"Dog diseases" .
<http://ns.inria.fr/covid19/PMC7111179#body_text>	<http://purl.org/dc/terms/subject>	"Medical mnemonics" .
<http://ns.inria.fr/covid19/PMC7111179#body_text>	<http://purl.org/dc/terms/subject>	"American companies established in 1886" .