<http://ns.inria.fr/covid19/PMC7273944#title>	<http://purl.org/dc/terms/subject>	"Occupational safety and health" .
<http://ns.inria.fr/covid19/PMC7273944#title>	<http://purl.org/dc/terms/subject>	"Pediatrics" .
<http://ns.inria.fr/covid19/PMC7273944#title>	<http://purl.org/dc/terms/subject>	"Endoscopy" .
<http://ns.inria.fr/covid19/PMC7273944#title>	<http://purl.org/dc/terms/subject>	"Safety engineering" .