_:b57787528	<http://www.w3.org/ns/oa#hasSelector>	_:b57787529 .
_:b57787529	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57787529	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57787528	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c848bce30b9e60bccfd15a5534af1d0cea54c686/0> .