_:b57300152 <http://www.w3.org/ns/oa#hasSelector> _:b57300153 . _:b57300153 <http://www.w3.org/ns/oa#exact> "FEV 1" . _:b57300153 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57300152 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/306bbc07c2046e6931c629582fc8f63ba4ba3ac6/11> . _:b57300153 <http://www.w3.org/ns/oa#exact> "FEV" .