<http://ns.inria.fr/covid19/PMC7309693#body_text>	<http://purl.org/dc/terms/subject>	"1905 establishments in Canada" .
<http://ns.inria.fr/covid19/PMC7309693#body_text>	<http://purl.org/dc/terms/subject>	"Medical tests" .
<http://ns.inria.fr/covid19/PMC7309693#body_text>	<http://purl.org/dc/terms/subject>	"Monte Carlo" .