_:b56991708 <http://www.w3.org/ns/oa#hasSelector> _:b56991709 . _:b56991708 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/1b2d3f657a9e492887a83bdb1f692b2b3b1d0efc/2> . _:b56991709 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56991709 <http://www.w3.org/ns/oa#exact> "chemokines" .