<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Plants used in traditional Native American medicine" .
<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Echinacea" .
<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Asteraceae genera" .
<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Medical manuals" .
<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Poaceae genera" .
<http://ns.inria.fr/covid19/PMC7106401#body_text>	<http://purl.org/dc/terms/subject>	"Flora of North America" .