<http://ns.inria.fr/covid19/PMC551583#body_text>	<http://purl.org/dc/terms/subject>	"Medical mnemonics" .
<http://ns.inria.fr/covid19/PMC551583#body_text>	<http://purl.org/dc/terms/subject>	"1876 in science" .
<http://ns.inria.fr/covid19/PMC551583#body_text>	<http://purl.org/dc/terms/subject>	"South African brands" .