<http://ns.inria.fr/covid19/PMC7128329#title>	<http://purl.org/dc/terms/subject>	"Statistical classification" .
<http://ns.inria.fr/covid19/PMC7128329#title>	<http://purl.org/dc/terms/subject>	"States and territories established in 1912" .
<http://ns.inria.fr/covid19/PMC7128329#title>	<http://purl.org/dc/terms/subject>	"Statistical ratios" .
<http://ns.inria.fr/covid19/PMC7128329#title>	<http://purl.org/dc/terms/subject>	"Medical tests" .