<http://ns.inria.fr/covid19/PMC7126901#body_text> <http://purl.org/dc/terms/subject> "Laboratories" . <http://ns.inria.fr/covid19/PMC7126901#body_text> <http://purl.org/dc/terms/subject> "Lists of countries" . <http://ns.inria.fr/covid19/PMC7126901#body_text> <http://purl.org/dc/terms/subject> "Primary care" .