_:b56637756	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0b812694f1a51b99b25c0a7933230ced2eb0feef/1> .
_:b56637756	<http://www.w3.org/ns/oa#hasSelector>	_:b56637757 .
_:b56637757	<http://www.w3.org/ns/oa#exact>	"survival" .
_:b56637757	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .