<http://ns.inria.fr/covid19/PMC5251210#body_text> <http://purl.org/dc/terms/subject> "Bacterial toxins" . <http://ns.inria.fr/covid19/PMC5251210#body_text> <http://purl.org/dc/terms/subject> "Spain" . <http://ns.inria.fr/covid19/PMC5251210#body_text> <http://purl.org/dc/terms/subject> "Molecular genetics" .