_:b57794212 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/107473b0cd4ea537c8b91fd611460b3a3a217198/1> . _:b57794213 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57794213 <http://www.w3.org/ns/oa#exact> "cell" . _:b57794212 <http://www.w3.org/ns/oa#hasSelector> _:b57794213 .