<http://ns.inria.fr/covid19/PMC7117285#body_text>	<http://purl.org/dc/terms/subject>	"Tourist attractions in Tippecanoe County, Indiana" .
<http://ns.inria.fr/covid19/PMC7117285#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC7117285#body_text>	<http://purl.org/dc/terms/subject>	"Premier League players" .