_:b56791956 <http://www.w3.org/ns/oa#hasSelector> _:b56791957 . _:b56791956 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/12f59e88597b670bd77cb9b75efcb2eebf8f1ad8/4> . _:b56791957 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56791957 <http://www.w3.org/ns/oa#exact> "macrophages" .