_:b57447252 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/ecaeb9830d9852ca18e6a1b2aa60a7acea603a7e/3> . _:b57447253 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57447253 <http://www.w3.org/ns/oa#exact> "abnormalities" . _:b57447252 <http://www.w3.org/ns/oa#hasSelector> _:b57447253 .