<http://ns.inria.fr/covid19/PMC4519904#title>	<http://purl.org/dc/terms/subject>	"Branches of science" .
<http://ns.inria.fr/covid19/PMC4519904#title>	<http://purl.org/dc/terms/subject>	"Applied sciences" .
<http://ns.inria.fr/covid19/PMC4519904#title>	<http://purl.org/dc/terms/subject>	"Applied disciplines" .