_:b57849256 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/50c3cb38513abfe5a5ba5aa3208c2ab44a673579/3> . _:b57849257 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57849256 <http://www.w3.org/ns/oa#hasSelector> _:b57849257 . _:b57849257 <http://www.w3.org/ns/oa#exact> "lung pathology" .