<http://ns.inria.fr/covid19/PMC7152211#body_text> <http://purl.org/dc/terms/subject> "Primary care" . <http://ns.inria.fr/covid19/PMC7152211#body_text> <http://purl.org/dc/terms/subject> "Populated places on Lake Ontario in Canada" . <http://ns.inria.fr/covid19/PMC7152211#body_text> <http://purl.org/dc/terms/subject> "Lists of countries" .