<http://ns.inria.fr/covid19/PMC1894789#body_text>	<http://purl.org/dc/terms/subject>	"Primary care" .
<http://ns.inria.fr/covid19/PMC1894789#body_text>	<http://purl.org/dc/terms/subject>	"1962 establishments in California" .
<http://ns.inria.fr/covid19/PMC1894789#body_text>	<http://purl.org/dc/terms/subject>	"1789 establishments in the United States" .