_:b56689372	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8e359a65849e36b10841786ba681720de5650f6d/3> .
_:b56689373	<http://www.w3.org/ns/oa#exact>	"free survival" .
_:b56689373	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56689372	<http://www.w3.org/ns/oa#hasSelector>	_:b56689373 .