<http://ns.inria.fr/covid19/PMC5414144#title>	<http://purl.org/dc/terms/subject>	"1670s in science" .
<http://ns.inria.fr/covid19/PMC5414144#title>	<http://purl.org/dc/terms/subject>	"Bacteria" .
<http://ns.inria.fr/covid19/PMC5414144#title>	<http://purl.org/dc/terms/subject>	"2000 initial public offerings" .