_:b57470661 <http://www.w3.org/ns/oa#exact> "protein expression" . _:b57470661 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57470660 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/4598e96f24115b1fd9bc0247cdd88e52beb5268f/0> . _:b57470660 <http://www.w3.org/ns/oa#hasSelector> _:b57470661 .