_:b56571501 <http://www.w3.org/ns/oa#exact> "Hospitalization" . _:b56571501 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56571501 <http://www.w3.org/ns/oa#exact> "hospitalization" . _:b56571500 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/c642a962a119f5d1d60aabecf40269d3b3566aec/2> . _:b56571500 <http://www.w3.org/ns/oa#hasSelector> _:b56571501 .