<http://ns.inria.fr/covid19/PMC2703826#body_text>	<http://purl.org/dc/terms/subject>	"Transmembrane proteins" .
<http://ns.inria.fr/covid19/PMC2703826#body_text>	<http://purl.org/dc/terms/subject>	"Protein structure" .
<http://ns.inria.fr/covid19/PMC2703826#body_text>	<http://purl.org/dc/terms/subject>	"Physical chemistry" .
<http://ns.inria.fr/covid19/PMC2703826#body_text>	<http://purl.org/dc/terms/subject>	"G20 nations" .