<http://ns.inria.fr/covid19/PMC4865181#title>	<http://purl.org/dc/terms/subject>	"Evidence-based practices" .
<http://ns.inria.fr/covid19/PMC4865181#title>	<http://purl.org/dc/terms/subject>	"Influenza" .
<http://ns.inria.fr/covid19/PMC4865181#title>	<http://purl.org/dc/terms/subject>	"Health insurance" .
<http://ns.inria.fr/covid19/PMC4865181#title>	<http://purl.org/dc/terms/subject>	"Meta-analysis" .