_:b56998540 <http://www.w3.org/ns/oa#hasSelector> _:b56998541 . _:b56998541 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56998541 <http://www.w3.org/ns/oa#exact> "dimer" . _:b56998540 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/1bbeb8f3675889238174a64209ac46a11f952f82/0> .