<http://ns.inria.fr/covid19/PMC7161808#body_text>	<http://purl.org/dc/terms/subject>	"Intravenous fluids" .
<http://ns.inria.fr/covid19/PMC7161808#body_text>	<http://purl.org/dc/terms/subject>	"1934 establishments in Japan" .
<http://ns.inria.fr/covid19/PMC7161808#body_text>	<http://purl.org/dc/terms/subject>	"Review journals" .