<http://ns.inria.fr/covid19/PMC4424121#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC4424121#body_text>	<http://purl.org/dc/terms/subject>	"History of golf" .
<http://ns.inria.fr/covid19/PMC4424121#body_text>	<http://purl.org/dc/terms/subject>	"Sugar acids" .