<http://ns.inria.fr/covid19/PMC7088385#body_text> <http://purl.org/dc/terms/subject> "Smallpox vaccines" . <http://ns.inria.fr/covid19/PMC7088385#body_text> <http://purl.org/dc/terms/subject> "Kidney" . <http://ns.inria.fr/covid19/PMC7088385#body_text> <http://purl.org/dc/terms/subject> "Computer-related introductions in 1949" .