_:b57939144	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a23ff247c284a68f031304d2b4c99822cb9d0237/3> .
_:b57939145	<http://www.w3.org/ns/oa#exact>	"memory impairment" .
_:b57939144	<http://www.w3.org/ns/oa#hasSelector>	_:b57939145 .
_:b57939145	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .