_:b57505960	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2cb2e1426c53e3ac5565f64d2a59908e465d4291/2> .
_:b57505961	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57505961	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57505960	<http://www.w3.org/ns/oa#hasSelector>	_:b57505961 .