<http://ns.inria.fr/covid19/PMC1636460#body_text>	<http://purl.org/dc/terms/subject>	"Transport in Gloucestershire" .
<http://ns.inria.fr/covid19/PMC1636460#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC1636460#body_text>	<http://purl.org/dc/terms/subject>	"Petrochemicals" .