_:b57184392 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/ef947f5de94679dea925b4fc547be09b334611cc/3> . _:b57184392 <http://www.w3.org/ns/oa#hasSelector> _:b57184393 . _:b57184393 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57184393 <http://www.w3.org/ns/oa#exact> "choroid plexus" .