_:b57998980 <http://www.w3.org/ns/oa#hasSelector> _:b57998981 . _:b57998981 <http://www.w3.org/ns/oa#exact> "p27" . _:b57998981 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57998980 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/849541788c0fe480a2fb9e13b20f3937e759b249/0> .