<http://ns.inria.fr/covid19/PMC3738499#body_text>	<http://purl.org/dc/terms/subject>	"Fumigants" .
<http://ns.inria.fr/covid19/PMC3738499#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC3738499#body_text>	<http://purl.org/dc/terms/subject>	"Food and drink preparation" .