_:b56570748	<http://www.w3.org/ns/oa#hasSelector>	_:b56570749 .
_:b56570749	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56570749	<http://www.w3.org/ns/oa#exact>	"mechanical ventilation" .
_:b56570748	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/468b4401bcf0a2ef81bb1f4d51fb236257635834/1> .