_:b57294900 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/4a0df4a0f4d88046442f66ad84ba40b2c34e2493/1> . _:b57294900 <http://www.w3.org/ns/oa#hasSelector> _:b57294901 . _:b57294901 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57294901 <http://www.w3.org/ns/oa#exact> "chemokines" .