_:b57278409	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57278409	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57278408	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e302fa274466ba9d83e8ff157efc9dd2df9adcdf/1> .
_:b57278408	<http://www.w3.org/ns/oa#hasSelector>	_:b57278409 .