_:b57034297 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57034296 <http://www.w3.org/ns/oa#hasSelector> _:b57034297 . _:b57034297 <http://www.w3.org/ns/oa#exact> "admission" . _:b57034296 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/2c21784f6561c2b1209a84e407d12f841cb0a901/0> .