<http://ns.inria.fr/covid19/PMC7101882#body_text>	<http://purl.org/dc/terms/subject>	"Occupational safety and health" .
<http://ns.inria.fr/covid19/PMC7101882#body_text>	<http://purl.org/dc/terms/subject>	"Protective gear" .
<http://ns.inria.fr/covid19/PMC7101882#body_text>	<http://purl.org/dc/terms/subject>	"Gardening aids" .
<http://ns.inria.fr/covid19/PMC7101882#body_text>	<http://purl.org/dc/terms/subject>	"Hygiene" .