<http://ns.inria.fr/covid19/PMC7148049#body_text>	<http://purl.org/dc/terms/subject>	"Global Positioning System" .
<http://ns.inria.fr/covid19/PMC7148049#body_text>	<http://purl.org/dc/terms/subject>	"Moment (mathematics)" .
<http://ns.inria.fr/covid19/PMC7148049#body_text>	<http://purl.org/dc/terms/subject>	"Image noise reduction techniques" .