<http://ns.inria.fr/covid19/PMC7291985#body_text>	<http://purl.org/dc/terms/subject>	"Planck units" .
<http://ns.inria.fr/covid19/PMC7291985#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC7291985#body_text>	<http://purl.org/dc/terms/subject>	"Superhard materials" .
<http://ns.inria.fr/covid19/PMC7291985#body_text>	<http://purl.org/dc/terms/subject>	"Numerical software" .