_:b57536972	<http://www.w3.org/ns/oa#hasSelector>	_:b57536973 .
_:b57536973	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57536973	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57536972	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a0aefbe28a2f036d977d34afb4d9d490d10b58a2/0> .