_:b56838976	<http://www.w3.org/ns/oa#hasSelector>	_:b56838977 .
_:b56838976	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/df4684271bd49f4bf63c0999750e15bd13cc12b7/2> .
_:b56838977	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56838977	<http://www.w3.org/ns/oa#exact>	"mechanical ventilation" .