<http://ns.inria.fr/covid19/PMC7428745#body_text>	<http://purl.org/dc/terms/subject>	"Orders, decorations, and medals of Sri Lanka" .
<http://ns.inria.fr/covid19/PMC7428745#body_text>	<http://purl.org/dc/terms/subject>	"Hygiene" .
<http://ns.inria.fr/covid19/PMC7428745#body_text>	<http://purl.org/dc/terms/subject>	"Tomography" .