_:b57270233	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57270233	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57270232	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5233c3fbc5d02f6c4f0e4b1448b457cb72afdac1/3> .
_:b57270232	<http://www.w3.org/ns/oa#hasSelector>	_:b57270233 .