<http://ns.inria.fr/covid19/PMC7267145#title>	<http://purl.org/dc/terms/subject>	"2019 disasters in China" .
<http://ns.inria.fr/covid19/PMC7267145#title>	<http://purl.org/dc/terms/subject>	"Surgical specialties" .
<http://ns.inria.fr/covid19/PMC7267145#title>	<http://purl.org/dc/terms/subject>	"2019 health disasters" .