_:b57404757	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57404757	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57404756	<http://www.w3.org/ns/oa#hasSelector>	_:b57404757 .
_:b57404756	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3506e41033ab810549508a84b0f76060b79da82c/2> .