<http://ns.inria.fr/covid19/PMC7436504#body_text>	<http://purl.org/dc/terms/subject>	"Intravenous fluids" .
<http://ns.inria.fr/covid19/PMC7436504#body_text>	<http://purl.org/dc/terms/subject>	"Smallpox vaccines" .
<http://ns.inria.fr/covid19/PMC7436504#body_text>	<http://purl.org/dc/terms/subject>	"Multinational companies headquartered in the United States" .