_:b56530545	<http://www.w3.org/ns/oa#exact>	"free survival" .
_:b56530545	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56530544	<http://www.w3.org/ns/oa#hasSelector>	_:b56530545 .
_:b56530544	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e7484b7a686329ecd72031d10422bd9e1b9b494e/5> .