<http://ns.inria.fr/covid19/PMC7121269#title> <http://purl.org/dc/terms/subject> "Medical tests" . <http://ns.inria.fr/covid19/PMC7121269#title> <http://purl.org/dc/terms/subject> "Infectious diseases" . <http://ns.inria.fr/covid19/PMC7121269#title> <http://purl.org/dc/terms/subject> "Pathology" .