_:b57568493	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57568492	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9824508d594bbf26df063f3c0fce4ef68664bf81/0> .
_:b57568492	<http://www.w3.org/ns/oa#hasSelector>	_:b57568493 .
_:b57568493	<http://www.w3.org/ns/oa#exact>	"mortality" .