_:b57248384	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6d2f0e8c7dd69338395c49a3e3aab7c4239766c2/0> .
_:b57248384	<http://www.w3.org/ns/oa#hasSelector>	_:b57248385 .
_:b57248385	<http://www.w3.org/ns/oa#exact>	"antigen" .
_:b57248385	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .