_:b57399921	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57399920	<http://www.w3.org/ns/oa#hasSelector>	_:b57399921 .
_:b57399921	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57399920	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/caf2d8ef6c1970e596f3f14ae6c4b43a26bba2c5/9> .