_:b57824420	<http://www.w3.org/ns/oa#hasSelector>	_:b57824421 .
_:b57824421	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57824421	<http://www.w3.org/ns/oa#exact>	"hypoxemia" .
_:b57824420	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b6eac289583e5f97d29d5da13e2b45e6e34f0ef0/2> .