_:b56905600	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ff73fb221b2419cd7840328389d5937430e1d481/25> .
_:b56905601	<http://www.w3.org/ns/oa#exact>	"overall survival" .
_:b56905601	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56905601	<http://www.w3.org/ns/oa#exact>	"survival" .
_:b56905600	<http://www.w3.org/ns/oa#hasSelector>	_:b56905601 .