<http://ns.inria.fr/covid19/PMC5127018#body_text>	<http://purl.org/dc/terms/subject>	"Corruption in Greece" .
<http://ns.inria.fr/covid19/PMC5127018#body_text>	<http://purl.org/dc/terms/subject>	"Lists of countries" .
<http://ns.inria.fr/covid19/PMC5127018#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .