<http://ns.inria.fr/covid19/PMC6631183#body_text>	<http://purl.org/dc/terms/subject>	"1960 establishments in the Democratic Republic of the Congo" .
<http://ns.inria.fr/covid19/PMC6631183#body_text>	<http://purl.org/dc/terms/subject>	"Tick-borne diseases" .
<http://ns.inria.fr/covid19/PMC6631183#body_text>	<http://purl.org/dc/terms/subject>	"Trade unions" .