_:b57481061 <http://www.w3.org/ns/oa#exact> "MHC" . _:b57481061 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57481060 <http://www.w3.org/ns/oa#hasSelector> _:b57481061 . _:b57481060 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/82505ca7619cf80b1d36b0e7fef71bf04ef6d733/15> .