_:b56550592 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/e7eab33081228b6405ecc7a3d97fb803aca119ae/3> . _:b56550592 <http://www.w3.org/ns/oa#hasSelector> _:b56550593 . _:b56550593 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56550593 <http://www.w3.org/ns/oa#exact> "FEV" .