<http://ns.inria.fr/covid19/PMC7102654#body_text> <http://purl.org/dc/terms/subject> "Infectious arthropathies" . <http://ns.inria.fr/covid19/PMC7102654#body_text> <http://purl.org/dc/terms/subject> "Patent law" . <http://ns.inria.fr/covid19/PMC7102654#body_text> <http://purl.org/dc/terms/subject> "Aten asteroids" .