_:b57316392 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/de9587b07c5f44211f82f001b9a0182a1375ed81/3> . _:b57316392 <http://www.w3.org/ns/oa#hasSelector> _:b57316393 . _:b57316393 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57316393 <http://www.w3.org/ns/oa#exact> "CD4 T cell" .