_:b57401604	<http://www.w3.org/ns/oa#hasSelector>	_:b57401605 .
_:b57401605	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57401605	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57401604	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1f65e3f5e56789880e2e5b38b3876d688fbdfb53/0> .