<http://ns.inria.fr/covid19/PMC6081077#body_text>	<http://purl.org/dc/terms/subject>	"Professional and trade magazines" .
<http://ns.inria.fr/covid19/PMC6081077#body_text>	<http://purl.org/dc/terms/subject>	"Japan Coast Guard" .
<http://ns.inria.fr/covid19/PMC6081077#body_text>	<http://purl.org/dc/terms/subject>	"Senescence" .