_:b57596572 <http://www.w3.org/ns/oa#hasSelector> _:b57596573 . _:b57596573 <http://www.w3.org/ns/oa#exact> "hemoglobin" . _:b57596573 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57596572 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/780af299e0104f02f9520a10a3480e7d7629af38/0> .