_:b57799093	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57799093	<http://www.w3.org/ns/oa#exact>	"length of hospital stay" .
_:b57799092	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e2149d1c247ef118df46869e0e8822198f10ad23/2> .
_:b57799092	<http://www.w3.org/ns/oa#hasSelector>	_:b57799093 .