_:b57237945	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57237945	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57237944	<http://www.w3.org/ns/oa#hasSelector>	_:b57237945 .
_:b57237944	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c172569e827ac0a2c8c0a76510cadfd54fed4cdb/2> .