<http://ns.inria.fr/covid19/PMC7252217#title>	<http://purl.org/dc/terms/subject>	"Products of chemical industry" .
<http://ns.inria.fr/covid19/PMC7252217#title>	<http://purl.org/dc/terms/subject>	"Pharmaceutical industry" .
<http://ns.inria.fr/covid19/PMC7252217#title>	<http://purl.org/dc/terms/subject>	"Drugs" .
<http://ns.inria.fr/covid19/PMC7252217#title>	<http://purl.org/dc/terms/subject>	"Chemicals in medicine" .