_:b57678729 <http://www.w3.org/ns/oa#exact> "ferritin" . _:b57678729 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57678728 <http://www.w3.org/ns/oa#hasSelector> _:b57678729 . _:b57678728 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/013d4e86b5818d68f587445e98aa6b0371be715f/2> .