_:b57222972	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5a9690ed2a4b5d3c20bb38dc89e247d7ec04e8c4/0> .
_:b57222973	<http://www.w3.org/ns/oa#exact>	"mortality" .
_:b57222973	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57222972	<http://www.w3.org/ns/oa#hasSelector>	_:b57222973 .