_:b56750780	<http://www.w3.org/ns/oa#hasSelector>	_:b56750781 .
_:b56750781	<http://www.w3.org/ns/oa#exact>	"length of stay" .
_:b56750781	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56750780	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f7126472ff5dceca928653561765bd96aa895097/3> .