<http://ns.inria.fr/covid19/PMC7311183#body_text>	<http://purl.org/dc/terms/subject>	"Infant feeding" .
<http://ns.inria.fr/covid19/PMC7311183#body_text>	<http://purl.org/dc/terms/subject>	"Secretion" .
<http://ns.inria.fr/covid19/PMC7311183#body_text>	<http://purl.org/dc/terms/subject>	"Port cities and towns in Germany" .