<http://ns.inria.fr/covid19/PMC6079933#body_text>	<http://purl.org/dc/terms/subject>	"Digestive disease symptoms" .
<http://ns.inria.fr/covid19/PMC6079933#body_text>	<http://purl.org/dc/terms/subject>	"Minerals" .
<http://ns.inria.fr/covid19/PMC6079933#body_text>	<http://purl.org/dc/terms/subject>	"Constipation" .