<http://ns.inria.fr/covid19/PMC7369563#title>	<http://purl.org/dc/terms/subject>	"Elastomers" .
<http://ns.inria.fr/covid19/PMC7369563#title>	<http://purl.org/dc/terms/subject>	"Occupational safety and health" .
<http://ns.inria.fr/covid19/PMC7369563#title>	<http://purl.org/dc/terms/subject>	"2019 disasters in China" .
<http://ns.inria.fr/covid19/PMC7369563#title>	<http://purl.org/dc/terms/subject>	"2019 health disasters" .