_:b57734897 <http://www.w3.org/ns/oa#exact> "cellular immune response" . _:b57734896 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/f0a605eab92d373080b2bb921ef6d36a25ca9501/1> . _:b57734897 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57734896 <http://www.w3.org/ns/oa#hasSelector> _:b57734897 .