_:b56419165 <http://www.w3.org/ns/oa#exact> "FEV 1" . _:b56419164 <http://www.w3.org/ns/oa#hasSelector> _:b56419165 . _:b56419165 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56419164 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/1f541a086ac9bc30df8ee2060f958691fb4a0667/0> .