_:b57953385 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57953385 <http://www.w3.org/ns/oa#exact> "FEV1" . _:b57953384 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/5eb91fe4cea5a06b48b39b8ac338ae42b12cc336/8> . _:b57953384 <http://www.w3.org/ns/oa#hasSelector> _:b57953385 .