<http://ns.inria.fr/covid19/PMC1888730#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC1888730#body_text>	<http://purl.org/dc/terms/subject>	"Nanotechnology companies" .
<http://ns.inria.fr/covid19/PMC1888730#body_text>	<http://purl.org/dc/terms/subject>	"Synchrotron-related techniques" .