_:b56834288	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/38e1c461daa2c3cce7c63404c9b210f836ad3a2b/0> .
_:b56834289	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56834288	<http://www.w3.org/ns/oa#hasSelector>	_:b56834289 .
_:b56834289	<http://www.w3.org/ns/oa#exact>	"hospital stays" .