_:b57911700	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/86a682298faeaebf6aad6fcd0a0f90e6bb81f890/0> .
_:b57911701	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57911700	<http://www.w3.org/ns/oa#hasSelector>	_:b57911701 .
_:b57911701	<http://www.w3.org/ns/oa#exact>	"mortality" .