_:b56507876	<http://www.w3.org/ns/oa#hasSelector>	_:b56507877 .
_:b56507877	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56507877	<http://www.w3.org/ns/oa#exact>	"survival" .
_:b56507876	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6b2e8452b634820689f92ae1bc2d83ac286038e4/0> .