<http://ns.inria.fr/covid19/PMC7088385#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC7088385#body_text>	<http://purl.org/dc/terms/subject>	"Kidney" .
<http://ns.inria.fr/covid19/PMC7088385#body_text>	<http://purl.org/dc/terms/subject>	"Computer-related introductions in 1949" .