_:b57155868	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ec118734c70d05895735463fddc8e06b95a85f8c/3> .
_:b57155869	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57155869	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57155868	<http://www.w3.org/ns/oa#hasSelector>	_:b57155869 .