_:b57210221	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57210221	<http://www.w3.org/ns/oa#exact>	"heart failure" .
_:b57210220	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6687ae2034e5e15ff44f299b85a89401103d8859/1> .
_:b57210220	<http://www.w3.org/ns/oa#hasSelector>	_:b57210221 .