_:b57413208	<http://www.w3.org/ns/oa#hasSelector>	_:b57413209 .
_:b57413209	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57413209	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57413208	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9e6e2f114c42061a63519a9fe684088dbfd9e146/6> .