<http://ns.inria.fr/covid19/PMC7126306#body_text>	<http://purl.org/dc/terms/subject>	"Vaccination" .
<http://ns.inria.fr/covid19/PMC7126306#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC7126306#body_text>	<http://purl.org/dc/terms/subject>	"Multinational companies headquartered in the United States" .
<http://ns.inria.fr/covid19/PMC7126306#body_text>	<http://purl.org/dc/terms/subject>	"Nitrogen(\u22123) compounds" .