_:b57260049	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57260048	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5b626729d78325a28a47be0f1b847ad6925d3473/1> .
_:b57260048	<http://www.w3.org/ns/oa#hasSelector>	_:b57260049 .
_:b57260049	<http://www.w3.org/ns/oa#exact>	"mortality" .