_:b57227288	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/68e6271532854e6fc03e80a9f0e2442a36a6350e/1> .
_:b57227289	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57227289	<http://www.w3.org/ns/oa#exact>	"MHC" .
_:b57227288	<http://www.w3.org/ns/oa#hasSelector>	_:b57227289 .